157196680 has 16 divisors (see below), whose sum is σ = 353692620. Its totient is φ = 62878656.

The previous prime is 157196657. The next prime is 157196687. The reversal of 157196680 is 86691751.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 128187684 + 29008996 = 11322^2 + 5386^2 .

It is not an unprimeable number, because it can be changed into a prime (157196687) 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, 1964919 + ... + 1964998.

Almost surely, 2^157196680 is an apocalyptic number.

157196680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157196680 is an abundant number, since it is smaller than the sum of its proper divisors (196495940).

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

157196680 is a wasteful number, since it uses less digits than its factorization.

157196680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929928 (or 3929924 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 157196680 is about 12537.8100161073. The cubic root of 157196680 is about 539.6942484963.

The spelling of 157196680 in words is "one hundred fifty-seven million, one hundred ninety-six thousand, six hundred eighty".