64581716130 has 16 divisors (see below), whose sum is σ = 154996118784. Its totient is φ = 17221790960.

The previous prime is 64581716117. The next prime is 64581716131. The reversal of 64581716130 is 3161718546.

It is not an unprimeable number, because it can be changed into a prime (64581716131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076361906 + ... + 1076361965.

It is an arithmetic number, because the mean of its divisors is an integer number (9687257424).

Almost surely, 2^64581716130 is an apocalyptic number.

64581716130 is an abundant number, since it is smaller than the sum of its proper divisors (90414402654).

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

64581716130 is a wasteful number, since it uses less digits than its factorization.

64581716130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152723881.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 64581716130 in words is "sixty-four billion, five hundred eighty-one million, seven hundred sixteen thousand, one hundred thirty".