166274724 has 48 divisors (see below), whose sum is σ = 483710976. Its totient is φ = 43188000.

The previous prime is 166274663. The next prime is 166274729. The reversal of 166274724 is 427472661.

166274724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (166274729) 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 15 ways as a sum of consecutive naturals, for example, 89052 + ... + 90899.

It is an arithmetic number, because the mean of its divisors is an integer number (10077312).

Almost surely, 2^166274724 is an apocalyptic number.

166274724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166274724 is an abundant number, since it is smaller than the sum of its proper divisors (317436252).

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

166274724 is a wasteful number, since it uses less digits than its factorization.

166274724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179976 (or 179974 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 166274724 is about 12894.7556781817. The cubic root of 166274724 is about 549.8894808236.

The spelling of 166274724 in words is "one hundred sixty-six million, two hundred seventy-four thousand, seven hundred twenty-four".