97561016 has 16 divisors (see below), whose sum is σ = 209059440. Its totient is φ = 41811840.

The previous prime is 97561007. The next prime is 97561031. The reversal of 97561016 is 61016579.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871025 + ... + 871136.

It is an arithmetic number, because the mean of its divisors is an integer number (13066215).

Almost surely, 2^97561016 is an apocalyptic number.

It is an amenable number.

97561016 is an abundant number, since it is smaller than the sum of its proper divisors (111498424).

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

97561016 is a wasteful number, since it uses less digits than its factorization.

97561016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742174 (or 1742170 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 97561016 is about 9877.2980110959. The cubic root of 97561016 is about 460.3541947529.

The spelling of 97561016 in words is "ninety-seven million, five hundred sixty-one thousand, sixteen".