97168631 has 4 divisors (see below), whose sum is σ = 111049872. Its totient is φ = 83287392.

The previous prime is 97168579. The next prime is 97168637. The reversal of 97168631 is 13686179.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97168631 is a prime.

It is a super-2 number, since 2×97168631² = 18883485700828322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97168637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6940610 + ... + 6940623.

It is an arithmetic number, because the mean of its divisors is an integer number (27762468).

Almost surely, 2^97168631 is an apocalyptic number.

97168631 is a deficient number, since it is larger than the sum of its proper divisors (13881241).

97168631 is a wasteful number, since it uses less digits than its factorization.

97168631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13881240.

The product of its digits is 54432, while the sum is 41.

The square root of 97168631 is about 9857.4150262632. The cubic root of 97168631 is about 459.7361924670.

The spelling of 97168631 in words is "ninety-seven million, one hundred sixty-eight thousand, six hundred thirty-one".