64546005316 has 12 divisors (see below), whose sum is σ = 121644394732. Its totient is φ = 29790463968.

The previous prime is 64546005299. The next prime is 64546005323. The reversal of 64546005316 is 61350064546.

64546005316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5205045316 + 59340960000 = 72146^2 + 243600^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620634615 + ... + 620634718.

Almost surely, 2^64546005316 is an apocalyptic number.

It is an amenable number.

64546005316 is a deficient number, since it is larger than the sum of its proper divisors (57098389416).

64546005316 is a wasteful number, since it uses less digits than its factorization.

64546005316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241269350 (or 1241269348 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 64546005316 in words is "sixty-four billion, five hundred forty-six million, five thousand, three hundred sixteen".