97195866518 has 16 divisors (see below), whose sum is σ = 154262335920. Its totient is φ = 45801593856.

The previous prime is 97195866503. The next prime is 97195866539. The reversal of 97195866518 is 81566859179.

97195866518 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 6619055 + ... + 6633722.

It is an arithmetic number, because the mean of its divisors is an integer number (9641395995).

Almost surely, 2^97195866518 is an apocalyptic number.

97195866518 is a deficient number, since it is larger than the sum of its proper divisors (57066469402).

97195866518 is a wasteful number, since it uses less digits than its factorization.

97195866518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13252991.

The product of its digits is 32659200, while the sum is 65.

The spelling of 97195866518 in words is "ninety-seven billion, one hundred ninety-five million, eight hundred sixty-six thousand, five hundred eighteen".