97866664176 has 40 divisors (see below), whose sum is σ = 252837567360. Its totient is φ = 32620240576.

The previous prime is 97866664157. The next prime is 97866664253. The reversal of 97866664176 is 67146666879.

It is a happy number.

It is a super-3 number, since 3×97866664176³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886711 + ... + 990953.

It is an arithmetic number, because the mean of its divisors is an integer number (6320939184).

Almost surely, 2^97866664176 is an apocalyptic number.

It is an amenable number.

97866664176 is an abundant number, since it is smaller than the sum of its proper divisors (154970903184).

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

97866664176 is a wasteful number, since it uses less digits than its factorization.

97866664176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123813 (or 123807 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 66.

The spelling of 97866664176 in words is "ninety-seven billion, eight hundred sixty-six million, six hundred sixty-four thousand, one hundred seventy-six".