166015056 has 40 divisors (see below), whose sum is σ = 429883200. Its totient is φ = 55207936.

The previous prime is 166015051. The next prime is 166015117. The reversal of 166015056 is 650510661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166015051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17701 + ... + 25403.

It is an arithmetic number, because the mean of its divisors is an integer number (10747080).

Almost surely, 2^166015056 is an apocalyptic number.

166015056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166015056 is an abundant number, since it is smaller than the sum of its proper divisors (263868144).

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

166015056 is a wasteful number, since it uses less digits than its factorization.

166015056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163 (or 8157 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 166015056 is about 12884.6829995930. The cubic root of 166015056 is about 549.6030811173.

The spelling of 166015056 in words is "one hundred sixty-six million, fifteen thousand, fifty-six".