97658161226158 has 32 divisors (see below), whose sum is σ = 163197308453760. Its totient is φ = 43518230138880.

The previous prime is 97658161226149. The next prime is 97658161226177. The reversal of 97658161226158 is 85162216185679.

It is a junction number, because it is equal to n+sod(n) for n = 97658161226093 and 97658161226102.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 65334766 + ... + 66812782.

It is an arithmetic number, because the mean of its divisors is an integer number (5099915889180).

Almost surely, 2^{97658161226158} is an apocalyptic number.

97658161226158 is a deficient number, since it is larger than the sum of its proper divisors (65539147227602).

97658161226158 is a wasteful number, since it uses less digits than its factorization.

97658161226158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565692.

The product of its digits is 87091200, while the sum is 67.

The spelling of 97658161226158 in words is "ninety-seven trillion, six hundred fifty-eight billion, one hundred sixty-one million, two hundred twenty-six thousand, one hundred fifty-eight".