97165686240 has 192 divisors, whose sum is σ = 388662865920. Its totient is φ = 22209292800.

The previous prime is 97165686229. The next prime is 97165686263. The reversal of 97165686240 is 4268656179.

97165686240 is a `hidden beast` number, since 9 + 7 + 1 + 6 + 5 + 6 + 8 + 624 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1576336 + ... + 1636815.

It is an arithmetic number, because the mean of its divisors is an integer number (2024285760).

Almost surely, 2^97165686240 is an apocalyptic number.

97165686240 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

97165686240 is an abundant number, since it is smaller than the sum of its proper divisors (291497179680).

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

97165686240 is a wasteful number, since it uses less digits than its factorization.

97165686240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213182 (or 3213168 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 97165686240 in words is "ninety-seven billion, one hundred sixty-five million, six hundred eighty-six thousand, two hundred forty".