157515900166 has 8 divisors (see below), whose sum is σ = 239264658720. Its totient is φ = 77761013928.

The previous prime is 157515900163. The next prime is 157515900173. The reversal of 157515900166 is 661009515751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×157515900166² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157515900163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498467881 + ... + 498468196.

It is an arithmetic number, because the mean of its divisors is an integer number (29908082340).

Almost surely, 2^157515900166 is an apocalyptic number.

157515900166 is a deficient number, since it is larger than the sum of its proper divisors (81748758554).

157515900166 is an equidigital number, since it uses as much as digits as its factorization.

157515900166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996936158.

The product of its (nonzero) digits is 283500, while the sum is 46.

The spelling of 157515900166 in words is "one hundred fifty-seven billion, five hundred fifteen million, nine hundred thousand, one hundred sixty-six".