157670660 has 24 divisors (see below), whose sum is σ = 378409920. Its totient is φ = 54058464.

The previous prime is 157670659. The next prime is 157670671. The reversal of 157670660 is 66076751.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562970 + ... + 563249.

It is an arithmetic number, because the mean of its divisors is an integer number (15767080).

Almost surely, 2^157670660 is an apocalyptic number.

157670660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157670660 is an abundant number, since it is smaller than the sum of its proper divisors (220739260).

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

157670660 is a wasteful number, since it uses less digits than its factorization.

157670660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126235 (or 1126233 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 157670660 is about 12556.6978143141. The cubic root of 157670660 is about 540.2361335816.

The spelling of 157670660 in words is "one hundred fifty-seven million, six hundred seventy thousand, six hundred sixty".