7816566625364 has 12 divisors (see below), whose sum is σ = 15633133250784. Its totient is φ = 3349957125144.

The previous prime is 7816566625339. The next prime is 7816566625367. The reversal of 7816566625364 is 4635266656187.

7816566625364 is an admirable number.

It is a super-2 number, since 2×7816566625364² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7816566625364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7816566625367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139581546854 + ... + 139581546909.

It is an arithmetic number, because the mean of its divisors is an integer number (1302761104232).

Almost surely, 2^{7816566625364} is an apocalyptic number.

It is an amenable number.

7816566625364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7816566625364 is a wasteful number, since it uses less digits than its factorization.

7816566625364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279163093774 (or 279163093772 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 65.

The spelling of 7816566625364 in words is "seven trillion, eight hundred sixteen billion, five hundred sixty-six million, six hundred twenty-five thousand, three hundred sixty-four".