166988712 has 48 divisors (see below), whose sum is σ = 458881920. Its totient is φ = 50601760.

The previous prime is 166988683. The next prime is 166988747. The reversal of 166988712 is 217889661.

166988712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25848 + ... + 31655.

It is an arithmetic number, because the mean of its divisors is an integer number (9560040).

Almost surely, 2^166988712 is an apocalyptic number.

166988712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166988712 is an abundant number, since it is smaller than the sum of its proper divisors (291893208).

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

166988712 is a wasteful number, since it uses less digits than its factorization.

166988712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57534 (or 57519 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 166988712 is about 12922.4112301072. The cubic root of 166988712 is about 550.6754368454.

The spelling of 166988712 in words is "one hundred sixty-six million, nine hundred eighty-eight thousand, seven hundred twelve".