97168508811 has 12 divisors (see below), whose sum is σ = 153114014040. Its totient is φ = 58890005280.

The previous prime is 97168508803. The next prime is 97168508851. The reversal of 97168508811 is 11880586179.

It is a happy number.

97168508811 is a `hidden beast` number, since 9 + 71 + 68 + 508 + 8 + 1 + 1 = 666.

It is not a de Polignac number, because 97168508811 - 2³ = 97168508803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97168508851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490749946 + ... + 490750143.

It is an arithmetic number, because the mean of its divisors is an integer number (12759501170).

Almost surely, 2^97168508811 is an apocalyptic number.

97168508811 is a deficient number, since it is larger than the sum of its proper divisors (55945505229).

97168508811 is a wasteful number, since it uses less digits than its factorization.

97168508811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981500106 (or 981500103 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 54.

The spelling of 97168508811 in words is "ninety-seven billion, one hundred sixty-eight million, five hundred eight thousand, eight hundred eleven".