166896128 has 40 divisors (see below), whose sum is σ = 381112512. Its totient is φ = 71525376.

The previous prime is 166896127. The next prime is 166896173. The reversal of 166896128 is 821698661.

It is a super-3 number, since 3×166896128³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (166896127) 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, 19700 + ... + 26867.

Almost surely, 2^166896128 is an apocalyptic number.

It is an amenable number.

166896128 is an abundant number, since it is smaller than the sum of its proper divisors (214216384).

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

166896128 is an frugal number, since it uses more digits than its factorization.

166896128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46592 (or 46576 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 166896128 is about 12918.8284298538. The cubic root of 166896128 is about 550.5736472109.

The spelling of 166896128 in words is "one hundred sixty-six million, eight hundred ninety-six thousand, one hundred twenty-eight".