157066650 has 72 divisors (see below), whose sum is σ = 454463100. Its totient is φ = 38661120.

The previous prime is 157066633. The next prime is 157066661. The reversal of 157066650 is 56660751.

It is a happy number.

157066650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 16573041 + 140493609 = 4071^2 + 11853^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7575 + ... + 19274.

Almost surely, 2^157066650 is an apocalyptic number.

157066650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157066650 is an abundant number, since it is smaller than the sum of its proper divisors (297396450).

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

157066650 is a wasteful number, since it uses less digits than its factorization.

157066650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26880 (or 26872 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 157066650 is about 12532.6234284766. The cubic root of 157066650 is about 539.5453992934.

The spelling of 157066650 in words is "one hundred fifty-seven million, sixty-six thousand, six hundred fifty".