97616316531145 has 4 divisors (see below), whose sum is σ = 117139579837380. Its totient is φ = 78093053224912.

The previous prime is 97616316531127. The next prime is 97616316531161. The reversal of 97616316531145 is 54113561361679.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44072032310329 + 53544284220816 = 6638677^2 + 7317396^2 .

It is a cyclic number.

It is not a de Polignac number, because 97616316531145 - 2⁷ = 97616316531017 is a prime.

It is a super-2 number, since 2×97616316531145² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 97616316531145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9761631653110 + ... + 9761631653119.

It is an arithmetic number, because the mean of its divisors is an integer number (29284894959345).

Almost surely, 2^{97616316531145} is an apocalyptic number.

It is an amenable number.

97616316531145 is a deficient number, since it is larger than the sum of its proper divisors (19523263306235).

97616316531145 is a wasteful number, since it uses less digits than its factorization.

97616316531145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19523263306234.

The product of its digits is 12247200, while the sum is 58.

The spelling of 97616316531145 in words is "ninety-seven trillion, six hundred sixteen billion, three hundred sixteen million, five hundred thirty-one thousand, one hundred forty-five".