166974260 has 24 divisors (see below), whose sum is σ = 350889000. Its totient is φ = 66743424.

The previous prime is 166974253. The next prime is 166974271. The reversal of 166974260 is 62479661.

It can be written as a sum of positive squares in 4 ways, for example, as 14303524 + 152670736 = 3782^2 + 12356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53462 + ... + 56498.

It is an arithmetic number, because the mean of its divisors is an integer number (14620375).

Almost surely, 2^166974260 is an apocalyptic number.

166974260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166974260 is an abundant number, since it is smaller than the sum of its proper divisors (183914740).

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

166974260 is a wasteful number, since it uses less digits than its factorization.

166974260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795 (or 5793 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 166974260 is about 12921.8520344415. The cubic root of 166974260 is about 550.6595503604.

The spelling of 166974260 in words is "one hundred sixty-six million, nine hundred seventy-four thousand, two hundred sixty".