6451577501164 has 48 divisors (see below), whose sum is σ = 12008378844000. Its totient is φ = 3022329885696.

The previous prime is 6451577501143. The next prime is 6451577501203. The reversal of 6451577501164 is 4611057751546.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119861922 + ... + 119915734.

It is an arithmetic number, because the mean of its divisors is an integer number (250174559250).

Almost surely, 2^{6451577501164} is an apocalyptic number.

It is an amenable number.

6451577501164 is a deficient number, since it is larger than the sum of its proper divisors (5556801342836).

6451577501164 is a wasteful number, since it uses less digits than its factorization.

6451577501164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61762 (or 61760 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 6451577501164 in words is "six trillion, four hundred fifty-one billion, five hundred seventy-seven million, five hundred one thousand, one hundred sixty-four".