97775166 has 8 divisors (see below), whose sum is σ = 195550344. Its totient is φ = 32591720.

The previous prime is 97775149. The next prime is 97775179. The reversal of 97775166 is 66157779.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

97775166 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8147925 + ... + 8147936.

It is an arithmetic number, because the mean of its divisors is an integer number (24443793).

Almost surely, 2^97775166 is an apocalyptic number.

97775166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

97775166 is a wasteful number, since it uses less digits than its factorization.

97775166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16295866.

The product of its digits is 555660, while the sum is 48.

The square root of 97775166 is about 9888.1325840626. The cubic root of 97775166 is about 460.6907800347.

The spelling of 97775166 in words is "ninety-seven million, seven hundred seventy-five thousand, one hundred sixty-six".