166136432 has 40 divisors (see below), whose sum is σ = 401319552. Its totient is φ = 64728000.

The previous prime is 166136431. The next prime is 166136441. The reversal of 166136432 is 234631661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166136431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66194 + ... + 68657.

Almost surely, 2^166136432 is an apocalyptic number.

It is an amenable number.

166136432 is an abundant number, since it is smaller than the sum of its proper divisors (235183120).

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

166136432 is a wasteful number, since it uses less digits than its factorization.

166136432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134877 (or 134871 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 166136432 is about 12889.3922277197. The cubic root of 166136432 is about 549.7369893996.

The spelling of 166136432 in words is "one hundred sixty-six million, one hundred thirty-six thousand, four hundred thirty-two".