97166988 has 36 divisors (see below), whose sum is σ = 258545560. Its totient is φ = 30684096.

The previous prime is 97166983. The next prime is 97167013. The reversal of 97166988 is 88966179.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (97166981) by changing a digit.

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, 70345 + ... + 71712.

Almost surely, 2^97166988 is an apocalyptic number.

It is an amenable number.

97166988 is an abundant number, since it is smaller than the sum of its proper divisors (161378572).

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

97166988 is a wasteful number, since it uses less digits than its factorization.

97166988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142086 (or 142081 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 97166988 is about 9857.3316876323. The cubic root of 97166988 is about 459.7336012644.

The spelling of 97166988 in words is "ninety-seven million, one hundred sixty-six thousand, nine hundred eighty-eight".