166670736 has 80 divisors (see below), whose sum is σ = 457113600. Its totient is φ = 52182144.

The previous prime is 166670731. The next prime is 166670767. The reversal of 166670736 is 637076661.

166670736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (166670731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115105 + ... + 116543.

It is an arithmetic number, because the mean of its divisors is an integer number (5713920).

Almost surely, 2^166670736 is an apocalyptic number.

166670736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166670736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228556800).

166670736 is an abundant number, since it is smaller than the sum of its proper divisors (290442864).

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

166670736 is a wasteful number, since it uses less digits than its factorization.

166670736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 166670736 is about 12910.1020909984. The cubic root of 166670736 is about 550.3256869935.

The spelling of 166670736 in words is "one hundred sixty-six million, six hundred seventy thousand, seven hundred thirty-six".