1068141636 has 18 divisors (see below), whose sum is σ = 2700024782. Its totient is φ = 356047200.

The previous prime is 1068141623. The next prime is 1068141647. The reversal of 1068141636 is 6361418601.

1068141636 is a `hidden beast` number, since 1 + 0 + 6 + 8 + 14 + 1 + 636 = 666.

1068141636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 843321600 + 224820036 = 29040^2 + 14994^2 .

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

It is a super-2 number, since 2×1068141636² = 2281853109113512992, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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: 29670601 = 1068141636 / (1 + 0 + 6 + 8 + 1 + 4 + 1 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 1068141636.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14835265 + ... + 14835336.

Almost surely, 2^1068141636 is an apocalyptic number.

It is an amenable number.

1068141636 is an abundant number, since it is smaller than the sum of its proper divisors (1631883146).

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

1068141636 is a wasteful number, since it uses less digits than its factorization.

1068141636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29670611 (or 29670606 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1068141636 is about 32682.4362005038. The cubic root of 1068141636 is about 1022.2166441637.

The spelling of 1068141636 in words is "one billion, sixty-eight million, one hundred forty-one thousand, six hundred thirty-six".