7916197156937 has 16 divisors (see below), whose sum is σ = 8120747040000. Its totient is φ = 7714906003584.

The previous prime is 7916197156859. The next prime is 7916197156949. The reversal of 7916197156937 is 7396517916197.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7916197156937 is a prime.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7916197156957) by changing a digit.

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, 183812 + ... + 3983237.

It is an arithmetic number, because the mean of its divisors is an integer number (507546690000).

Almost surely, 2^{7916197156937} is an apocalyptic number.

It is an amenable number.

7916197156937 is a deficient number, since it is larger than the sum of its proper divisors (204549883063).

7916197156937 is a wasteful number, since it uses less digits than its factorization.

7916197156937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167440.

The product of its digits is 135025380, while the sum is 71.

The spelling of 7916197156937 in words is "seven trillion, nine hundred sixteen billion, one hundred ninety-seven million, one hundred fifty-six thousand, nine hundred thirty-seven".