166988016 has 60 divisors (see below), whose sum is σ = 503288968. Its totient is φ = 51380352.

The previous prime is 166987973. The next prime is 166988033. The reversal of 166988016 is 610889661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42730 + ... + 46473.

Almost surely, 2^166988016 is an apocalyptic number.

166988016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166988016 is an abundant number, since it is smaller than the sum of its proper divisors (336300952).

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

166988016 is a wasteful number, since it uses less digits than its factorization.

166988016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89230 (or 89221 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 166988016 is about 12922.3843001205. The cubic root of 166988016 is about 550.6746717825.

The spelling of 166988016 in words is "one hundred sixty-six million, nine hundred eighty-eight thousand, sixteen".