64310443016 has 16 divisors (see below), whose sum is σ = 120585100140. Its totient is φ = 32154416320.

The previous prime is 64310443003. The next prime is 64310443019. The reversal of 64310443016 is 61034401346.

It can be written as a sum of positive squares in 2 ways, for example, as 52004978116 + 12305464900 = 228046^2 + 110930^2 .

It is not an unprimeable number, because it can be changed into a prime (64310443019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366146 + ... + 512526.

Almost surely, 2^64310443016 is an apocalyptic number.

It is an amenable number.

64310443016 is a deficient number, since it is larger than the sum of its proper divisors (56274657124).

64310443016 is a wasteful number, since it uses less digits than its factorization.

64310443016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201304 (or 201300 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 64310443016 in words is "sixty-four billion, three hundred ten million, four hundred forty-three thousand, sixteen".