97716516 has 12 divisors (see below), whose sum is σ = 228005232. Its totient is φ = 32572168.

The previous prime is 97716503. The next prime is 97716517. The reversal of 97716516 is 61561779.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (97716517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4071510 + ... + 4071533.

It is an arithmetic number, because the mean of its divisors is an integer number (19000436).

Almost surely, 2^97716516 is an apocalyptic number.

It is an amenable number.

97716516 is an abundant number, since it is smaller than the sum of its proper divisors (130288716).

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

97716516 is a wasteful number, since it uses less digits than its factorization.

97716516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8143050 (or 8143048 counting only the distinct ones).

The product of its digits is 79380, while the sum is 42.

The square root of 97716516 is about 9885.1664629383. The cubic root of 97716516 is about 460.5986471695.

The spelling of 97716516 in words is "ninety-seven million, seven hundred sixteen thousand, five hundred sixteen".