156649859344 has 20 divisors (see below), whose sum is σ = 331100839440. Its totient is φ = 71204481440.

The previous prime is 156649859279. The next prime is 156649859383. The reversal of 156649859344 is 443958946651.

156649859344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×156649859344² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445027834 + ... + 445028185.

It is an arithmetic number, because the mean of its divisors is an integer number (16555041972).

Almost surely, 2^156649859344 is an apocalyptic number.

It is an amenable number.

156649859344 is an abundant number, since it is smaller than the sum of its proper divisors (174450980096).

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

156649859344 is a wasteful number, since it uses less digits than its factorization.

156649859344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890056038 (or 890056032 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 64.

The spelling of 156649859344 in words is "one hundred fifty-six billion, six hundred forty-nine million, eight hundred fifty-nine thousand, three hundred forty-four".