97140015664 has 20 divisors (see below), whose sum is σ = 188245073320. Its totient is φ = 48560641920.

The previous prime is 97140015641. The next prime is 97140015667. The reversal of 97140015664 is 46651004179.

It is a self number, because there is not a number n which added to its sum of digits gives 97140015664.

It is not an unprimeable number, because it can be changed into a prime (97140015667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499422 + ... + 666109.

It is an arithmetic number, because the mean of its divisors is an integer number (9412253666).

Almost surely, 2^97140015664 is an apocalyptic number.

It is an amenable number.

97140015664 is a deficient number, since it is larger than the sum of its proper divisors (91105057656).

97140015664 is a wasteful number, since it uses less digits than its factorization.

97140015664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170748 (or 1170742 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 97140015664 in words is "ninety-seven billion, one hundred forty million, fifteen thousand, six hundred sixty-four".