157507660 has 24 divisors (see below), whose sum is σ = 331702560. Its totient is φ = 62824704.

The previous prime is 157507633. The next prime is 157507709. The reversal of 157507660 is 66705751.

157507660 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3789 + ... + 18148.

It is an arithmetic number, because the mean of its divisors is an integer number (13820940).

Almost surely, 2^157507660 is an apocalyptic number.

157507660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157507660 is an abundant number, since it is smaller than the sum of its proper divisors (174194900).

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

157507660 is a wasteful number, since it uses less digits than its factorization.

157507660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22305 (or 22303 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 157507660 is about 12550.2055760055. The cubic root of 157507660 is about 540.0499039385.

The spelling of 157507660 in words is "one hundred fifty-seven million, five hundred seven thousand, six hundred sixty".