97161868 has 12 divisors (see below), whose sum is σ = 180035352. Its totient is φ = 45723200.

The previous prime is 97161809. The next prime is 97161881. The reversal of 97161868 is 86816179.

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, 714358 + ... + 714493.

It is an arithmetic number, because the mean of its divisors is an integer number (15002946).

Almost surely, 2^97161868 is an apocalyptic number.

It is an amenable number.

97161868 is a deficient number, since it is larger than the sum of its proper divisors (82873484).

97161868 is a wasteful number, since it uses less digits than its factorization.

97161868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428872 (or 1428870 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The square root of 97161868 is about 9857.0719790412. The cubic root of 97161868 is about 459.7255262401.

The spelling of 97161868 in words is "ninety-seven million, one hundred sixty-one thousand, eight hundred sixty-eight".