97309308168 has 108 divisors (see below), whose sum is σ = 266995491165. Its totient is φ = 32017337856.

The previous prime is 97309308139. The next prime is 97309308259. The reversal of 97309308168 is 86180390379.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 97055925444 + 253382724 = 311538^2 + 15918^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=220578.

It is a super-2 number, since 2×97309308168² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 256752603 + ... + 256752981.

Almost surely, 2^97309308168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97309308168

97309308168 is an abundant number, since it is smaller than the sum of its proper divisors (169686182997).

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

97309308168 is an equidigital number, since it uses as much as digits as its factorization.

97309308168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 97309308168 in words is "ninety-seven billion, three hundred nine million, three hundred eight thousand, one hundred sixty-eight".