97164370945 has 16 divisors (see below), whose sum is σ = 118768038480. Its totient is φ = 76297053184.

The previous prime is 97164370907. The next prime is 97164370951. The reversal of 97164370945 is 54907346179.

It is a Cunningham number, because it is equal to 311712²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 283450896 + 96880920049 = 16836^2 + 311257^2 .

It is a cyclic number.

It is not a de Polignac number, because 97164370945 - 2⁷ = 97164370817 is a prime.

It is a super-2 number, since 2×97164370945² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735922 + ... + 857851.

It is an arithmetic number, because the mean of its divisors is an integer number (7423002405).

Almost surely, 2^97164370945 is an apocalyptic number.

It is an amenable number.

97164370945 is a deficient number, since it is larger than the sum of its proper divisors (21603667535).

97164370945 is a wasteful number, since it uses less digits than its factorization.

97164370945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594004.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 97164370945 in words is "ninety-seven billion, one hundred sixty-four million, three hundred seventy thousand, nine hundred forty-five".