166457896 has 16 divisors (see below), whose sum is σ = 340482240. Its totient is φ = 75662640.

The previous prime is 166457891. The next prime is 166457899. The reversal of 166457896 is 698754661.

It is a super-2 number, since 2×166457896² = 55416462281493632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166457891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945696 + ... + 945871.

It is an arithmetic number, because the mean of its divisors is an integer number (21280140).

Almost surely, 2^166457896 is an apocalyptic number.

It is an amenable number.

166457896 is an abundant number, since it is smaller than the sum of its proper divisors (174024344).

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

166457896 is a wasteful number, since it uses less digits than its factorization.

166457896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891584 (or 1891580 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 166457896 is about 12901.8563005484. The cubic root of 166457896 is about 550.0913302878.

The spelling of 166457896 in words is "one hundred sixty-six million, four hundred fifty-seven thousand, eight hundred ninety-six".