157066615 has 32 divisors (see below), whose sum is σ = 200540160. Its totient is φ = 117936000.

The previous prime is 157066607. The next prime is 157066619. The reversal of 157066615 is 516660751.

It is not a de Polignac number, because 157066615 - 2³ = 157066607 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157066619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1236682 + ... + 1236808.

It is an arithmetic number, because the mean of its divisors is an integer number (6266880).

Almost surely, 2^157066615 is an apocalyptic number.

157066615 is a deficient number, since it is larger than the sum of its proper divisors (43473545).

157066615 is a wasteful number, since it uses less digits than its factorization.

157066615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 157066615 is about 12532.6220321208. The cubic root of 157066615 is about 539.5453592168.

The spelling of 157066615 in words is "one hundred fifty-seven million, sixty-six thousand, six hundred fifteen".