166703056 has 40 divisors (see below), whose sum is σ = 357249704. Its totient is φ = 74856960.

The previous prime is 166703041. The next prime is 166703113. The reversal of 166703056 is 650307661.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17472400 + 149230656 = 4180^2 + 12216^2 .

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, 3135 + ... + 18526.

Almost surely, 2^166703056 is an apocalyptic number.

166703056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166703056 is an abundant number, since it is smaller than the sum of its proper divisors (190546648).

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

166703056 is a wasteful number, since it uses less digits than its factorization.

166703056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21719 (or 21713 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 166703056 is about 12911.3537632581. The cubic root of 166703056 is about 550.3612568783.

The spelling of 166703056 in words is "one hundred sixty-six million, seven hundred three thousand, fifty-six".