156846561 has 8 divisors (see below), whose sum is σ = 209343744. Its totient is φ = 104456880.

The previous prime is 156846527. The next prime is 156846563. The reversal of 156846561 is 165648651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 156846561 - 2²⁵ = 123292129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156846563) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23406 + ... + 29351.

It is an arithmetic number, because the mean of its divisors is an integer number (26167968).

Almost surely, 2^156846561 is an apocalyptic number.

It is an amenable number.

156846561 is a deficient number, since it is larger than the sum of its proper divisors (52497183).

156846561 is an equidigital number, since it uses as much as digits as its factorization.

156846561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53751.

The product of its digits is 172800, while the sum is 42.

The square root of 156846561 is about 12523.8397067353. The cubic root of 156846561 is about 539.2932695644.

The spelling of 156846561 in words is "one hundred fifty-six million, eight hundred forty-six thousand, five hundred sixty-one".