157717772916 has 24 divisors (see below), whose sum is σ = 401463422304. Its totient is φ = 47793264480.

The previous prime is 157717772903. The next prime is 157717772939. The reversal of 157717772916 is 619277717751.

157717772916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 157717772916.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597415675 + ... + 597415938.

It is an arithmetic number, because the mean of its divisors is an integer number (16727642596).

Almost surely, 2^157717772916 is an apocalyptic number.

It is an amenable number.

157717772916 is an abundant number, since it is smaller than the sum of its proper divisors (243745649388).

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

157717772916 is a wasteful number, since it uses less digits than its factorization.

157717772916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194831631 (or 1194831629 counting only the distinct ones).

The product of its digits is 9075780, while the sum is 60.

The spelling of 157717772916 in words is "one hundred fifty-seven billion, seven hundred seventeen million, seven hundred seventy-two thousand, nine hundred sixteen".