97801164 has 18 divisors (see below), whose sum is σ = 247219700. Its totient is φ = 32600376.

The previous prime is 97801163. The next prime is 97801177. The reversal of 97801164 is 46110879.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2716699 = 97801164 / (9 + 7 + 8 + 0 + 1 + 1 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (97801163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1358314 + ... + 1358385.

Almost surely, 2^97801164 is an apocalyptic number.

It is an amenable number.

97801164 is an abundant number, since it is smaller than the sum of its proper divisors (149418536).

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

97801164 is a wasteful number, since it uses less digits than its factorization.

97801164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716709 (or 2716704 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 97801164 is about 9889.4471028465. The cubic root of 97801164 is about 460.7316083213.

The spelling of 97801164 in words is "ninety-seven million, eight hundred one thousand, one hundred sixty-four".