97646663015 has 12 divisors (see below), whose sum is σ = 128796756312. Its totient is φ = 71015754480.

The previous prime is 97646662979. The next prime is 97646663029. The reversal of 97646663015 is 51036664679.

It is not a de Polignac number, because 97646663015 - 2²⁴ = 97629885799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80699117 + ... + 80700326.

It is an arithmetic number, because the mean of its divisors is an integer number (10733063026).

Almost surely, 2^97646663015 is an apocalyptic number.

97646663015 is a deficient number, since it is larger than the sum of its proper divisors (31150093297).

97646663015 is a wasteful number, since it uses less digits than its factorization.

97646663015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161399470 (or 161399459 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 97646663015 in words is "ninety-seven billion, six hundred forty-six million, six hundred sixty-three thousand, fifteen".