157558721016 has 32 divisors (see below), whose sum is σ = 414628214400. Its totient is φ = 49755385440.

The previous prime is 157558720981. The next prime is 157558721039. The reversal of 157558721016 is 610127855751.

It is a happy number.

157558721016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172761300 + ... + 172762211.

It is an arithmetic number, because the mean of its divisors is an integer number (12957131700).

Almost surely, 2^157558721016 is an apocalyptic number.

It is an amenable number.

157558721016 is an abundant number, since it is smaller than the sum of its proper divisors (257069493384).

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

157558721016 is a wasteful number, since it uses less digits than its factorization.

157558721016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345523539 (or 345523535 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 48.

The spelling of 157558721016 in words is "one hundred fifty-seven billion, five hundred fifty-eight million, seven hundred twenty-one thousand, sixteen".