97149568186 has 16 divisors (see below), whose sum is σ = 158977404000. Its totient is φ = 44157399280.

The previous prime is 97149568157. The next prime is 97149568237. The reversal of 97149568186 is 68186594179.

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, 836460 + ... + 945496.

It is an arithmetic number, because the mean of its divisors is an integer number (9936087750).

Almost surely, 2^97149568186 is an apocalyptic number.

97149568186 is a deficient number, since it is larger than the sum of its proper divisors (61827835814).

97149568186 is a wasteful number, since it uses less digits than its factorization.

97149568186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149549.

The product of its digits is 26127360, while the sum is 64.

The spelling of 97149568186 in words is "ninety-seven billion, one hundred forty-nine million, five hundred sixty-eight thousand, one hundred eighty-six".