166670120 has 32 divisors (see below), whose sum is σ = 376314120. Its totient is φ = 66435840.

The previous prime is 166670113. The next prime is 166670137. The reversal of 166670120 is 21076661.

It can be written as a sum of positive squares in 4 ways, for example, as 165225316 + 1444804 = 12854^2 + 1202^2 .

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, 4610 + ... + 18830.

Almost surely, 2^166670120 is an apocalyptic number.

166670120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166670120 is an abundant number, since it is smaller than the sum of its proper divisors (209644000).

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

166670120 is a wasteful number, since it uses less digits than its factorization.

166670120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14525 (or 14521 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 166670120 is about 12910.0782336901. The cubic root of 166670120 is about 550.3250090080.

The spelling of 166670120 in words is "one hundred sixty-six million, six hundred seventy thousand, one hundred twenty".