166257136 has 10 divisors (see below), whose sum is σ = 322123232. Its totient is φ = 83128560.

The previous prime is 166257109. The next prime is 166257151. The reversal of 166257136 is 631752661.

166257136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166257095 and 166257104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5195520 + ... + 5195551.

Almost surely, 2^166257136 is an apocalyptic number.

166257136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166257136 is a deficient number, since it is larger than the sum of its proper divisors (155866096).

166257136 is a wasteful number, since it uses less digits than its factorization.

166257136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10391079 (or 10391073 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 166257136 is about 12894.0736774690. The cubic root of 166257136 is about 549.8700916325.

The spelling of 166257136 in words is "one hundred sixty-six million, two hundred fifty-seven thousand, one hundred thirty-six".