64181761080976 has 80 divisors (see below), whose sum is σ = 156257221754880. Its totient is φ = 24808984179840.

The previous prime is 64181761080971. The next prime is 64181761081069. The reversal of 64181761080976 is 67908016718146.

64181761080976 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64181761080976² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64181761080971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204944266 + ... + 205257193.

It is an arithmetic number, because the mean of its divisors is an integer number (1953215271936).

Almost surely, 2^{64181761080976} is an apocalyptic number.

It is an amenable number.

64181761080976 is an abundant number, since it is smaller than the sum of its proper divisors (92075460673904).

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

64181761080976 is a wasteful number, since it uses less digits than its factorization.

64181761080976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410201612 (or 410201606 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 64.

The spelling of 64181761080976 in words is "sixty-four trillion, one hundred eighty-one billion, seven hundred sixty-one million, eighty thousand, nine hundred seventy-six".