97155610180 has 24 divisors (see below), whose sum is σ = 204073791768. Its totient is φ = 38853289728.

The previous prime is 97155610177. The next prime is 97155610217. The reversal of 97155610180 is 8101655179.

It can be written as a sum of positive squares in 4 ways, for example, as 15574540804 + 81581069376 = 124798^2 + 285624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470329 + ... + 644608.

It is an arithmetic number, because the mean of its divisors is an integer number (8503074657).

Almost surely, 2^97155610180 is an apocalyptic number.

It is an amenable number.

97155610180 is an abundant number, since it is smaller than the sum of its proper divisors (106918181588).

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

97155610180 is a wasteful number, since it uses less digits than its factorization.

97155610180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119303 (or 1119301 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 43.

The spelling of 97155610180 in words is "ninety-seven billion, one hundred fifty-five million, six hundred ten thousand, one hundred eighty".