7661577501164 has 24 divisors (see below), whose sum is σ = 13997205341280. Its totient is φ = 3662530703744.

The previous prime is 7661577501161. The next prime is 7661577501203. The reversal of 7661577501164 is 4611057751667.

It is not an unprimeable number, because it can be changed into a prime (7661577501161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19141919 + ... + 19538070.

It is an arithmetic number, because the mean of its divisors is an integer number (583216889220).

Almost surely, 2^{7661577501164} is an apocalyptic number.

It is an amenable number.

7661577501164 is a deficient number, since it is larger than the sum of its proper divisors (6335627840116).

7661577501164 is a wasteful number, since it uses less digits than its factorization.

7661577501164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38682169 (or 38682167 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 56.

The spelling of 7661577501164 in words is "seven trillion, six hundred sixty-one billion, five hundred seventy-seven million, five hundred one thousand, one hundred sixty-four".