166154136 has 16 divisors (see below), whose sum is σ = 415385400. Its totient is φ = 55384704.

The previous prime is 166154123. The next prime is 166154159. The reversal of 166154136 is 631451661.

It is a junction number, because it is equal to n+sod(n) for n = 166154097 and 166154106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3461521 + ... + 3461568.

Almost surely, 2^166154136 is an apocalyptic number.

It is an amenable number.

166154136 is an abundant number, since it is smaller than the sum of its proper divisors (249231264).

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

166154136 is a wasteful number, since it uses less digits than its factorization.

166154136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6923098 (or 6923094 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 166154136 is about 12890.0789757084. The cubic root of 166154136 is about 549.7565159174.

The spelling of 166154136 in words is "one hundred sixty-six million, one hundred fifty-four thousand, one hundred thirty-six".