157166655 has 24 divisors (see below), whose sum is σ = 253859088. Its totient is φ = 83030016.

The previous prime is 157166641. The next prime is 157166663. The reversal of 157166655 is 556661751.

It is not a de Polignac number, because 157166655 - 2⁵ = 157166623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 674419 + ... + 674651.

It is an arithmetic number, because the mean of its divisors is an integer number (10577462).

Almost surely, 2^157166655 is an apocalyptic number.

157166655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157166655 is a deficient number, since it is larger than the sum of its proper divisors (96692433).

157166655 is an equidigital number, since it uses as much as digits as its factorization.

157166655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 434 counting only the distinct ones).

The product of its digits is 189000, while the sum is 42.

The square root of 157166655 is about 12536.6125807572. The cubic root of 157166655 is about 539.6598852777.

The spelling of 157166655 in words is "one hundred fifty-seven million, one hundred sixty-six thousand, six hundred fifty-five".