97158216 has 32 divisors (see below), whose sum is σ = 250732800. Its totient is φ = 31341120.

The previous prime is 97158197. The next prime is 97158221. The reversal of 97158216 is 61285179.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 64551 + ... + 66038.

It is an arithmetic number, because the mean of its divisors is an integer number (7835400).

Almost surely, 2^97158216 is an apocalyptic number.

It is an amenable number.

97158216 is an abundant number, since it is smaller than the sum of its proper divisors (153574584).

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

97158216 is a wasteful number, since it uses less digits than its factorization.

97158216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130629 (or 130625 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 97158216 is about 9856.8867295917. The cubic root of 97158216 is about 459.7197663033.

The spelling of 97158216 in words is "ninety-seven million, one hundred fifty-eight thousand, two hundred sixteen".