355161636 has 18 divisors (see below), whose sum is σ = 897769782. Its totient is φ = 118387200.

The previous prime is 355161629. The next prime is 355161641. The reversal of 355161636 is 636161553.

355161636 is a `hidden beast` number, since 3 + 5 + 5 + 1 + 616 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 287099136 + 68062500 = 16944^2 + 8250^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×355161636² = 252279575372392992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 9865601 = 355161636 / (3 + 5 + 5 + 1 + 6 + 1 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 355161636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4932765 + ... + 4932836.

It is an arithmetic number, because the mean of its divisors is an integer number (49876099).

Almost surely, 2^355161636 is an apocalyptic number.

355161636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

355161636 is an abundant number, since it is smaller than the sum of its proper divisors (542608146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

355161636 is a wasteful number, since it uses less digits than its factorization.

355161636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9865611 (or 9865606 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 355161636 is about 18845.7325673480. The cubic root of 355161636 is about 708.1773231992.

The spelling of 355161636 in words is "three hundred fifty-five million, one hundred sixty-one thousand, six hundred thirty-six".