166713312 has 48 divisors (see below), whose sum is σ = 443635920. Its totient is φ = 54807552.

The previous prime is 166713311. The next prime is 166713377. The reversal of 166713312 is 213317661.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 166713312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166713311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4887 + ... + 18902.

It is an arithmetic number, because the mean of its divisors is an integer number (9242415).

Almost surely, 2^166713312 is an apocalyptic number.

166713312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166713312 is an abundant number, since it is smaller than the sum of its proper divisors (276922608).

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

166713312 is a wasteful number, since it uses less digits than its factorization.

166713312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23875 (or 23867 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 166713312 is about 12911.7509269657. The cubic root of 166713312 is about 550.3725431927.

The spelling of 166713312 in words is "one hundred sixty-six million, seven hundred thirteen thousand, three hundred twelve".