156681010676 has 24 divisors (see below), whose sum is σ = 275400119400. Its totient is φ = 77995953792.

The previous prime is 156681010631. The next prime is 156681010679. The reversal of 156681010676 is 676010186651.

It can be written as a sum of positive squares in 4 ways, for example, as 29610149776 + 127070860900 = 172076^2 + 356470^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 156681010676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156681010679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825650 + ... + 997526.

It is an arithmetic number, because the mean of its divisors is an integer number (11475004975).

Almost surely, 2^156681010676 is an apocalyptic number.

It is an amenable number.

156681010676 is a deficient number, since it is larger than the sum of its proper divisors (118719108724).

156681010676 is a wasteful number, since it uses less digits than its factorization.

156681010676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172883 (or 172881 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 156681010676 in words is "one hundred fifty-six billion, six hundred eighty-one million, ten thousand, six hundred seventy-six".