35556161 has 4 divisors (see below), whose sum is σ = 36057024. Its totient is φ = 35055300.

The previous prime is 35556139. The next prime is 35556167. The reversal of 35556161 is 16165553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16165553 = 337 ⋅47969.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35556161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35556167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250325 + ... + 250466.

It is an arithmetic number, because the mean of its divisors is an integer number (9014256).

Almost surely, 2^35556161 is an apocalyptic number.

It is an amenable number.

35556161 is a deficient number, since it is larger than the sum of its proper divisors (500863).

35556161 is an equidigital number, since it uses as much as digits as its factorization.

35556161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500862.

The product of its digits is 13500, while the sum is 32.

The square root of 35556161 is about 5962.8987078434. The cubic root of 35556161 is about 328.8301430098.

The spelling of 35556161 in words is "thirty-five million, five hundred fifty-six thousand, one hundred sixty-one".