166037956 has 24 divisors (see below), whose sum is σ = 335128640. Its totient is φ = 70504992.

The previous prime is 166037947. The next prime is 166037959. The reversal of 166037956 is 659730661.

It is not an unprimeable number, because it can be changed into a prime (166037959) 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, 24150 + ... + 30253.

Almost surely, 2^166037956 is an apocalyptic number.

It is an amenable number.

166037956 is an abundant number, since it is smaller than the sum of its proper divisors (169090684).

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

166037956 is a wasteful number, since it uses less digits than its factorization.

166037956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54523 (or 54521 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 166037956 is about 12885.5716210031. The cubic root of 166037956 is about 549.6283505762.

The spelling of 166037956 in words is "one hundred sixty-six million, thirty-seven thousand, nine hundred fifty-six".