157190019268 has 12 divisors (see below), whose sum is σ = 284568138540. Its totient is φ = 75884836832.

The previous prime is 157190019251. The next prime is 157190019281. The reversal of 157190019268 is 862910091751.

It can be written as a sum of positive squares in 2 ways, for example, as 108826092544 + 48363926724 = 329888^2 + 219918^2 .

It is a super-3 number, since 3×157190019268³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 677543071 + ... + 677543302.

It is an arithmetic number, because the mean of its divisors is an integer number (23714011545).

Almost surely, 2^157190019268 is an apocalyptic number.

It is an amenable number.

157190019268 is a deficient number, since it is larger than the sum of its proper divisors (127378119272).

157190019268 is a wasteful number, since it uses less digits than its factorization.

157190019268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355086406 (or 1355086404 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 49.

The spelling of 157190019268 in words is "one hundred fifty-seven billion, one hundred ninety million, nineteen thousand, two hundred sixty-eight".