4646664564 has 12 divisors (see below), whose sum is σ = 10842217344. Its totient is φ = 1548888184.

The previous prime is 4646664559. The next prime is 4646664571. The reversal of 4646664564 is 4654666464.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 193611012 + ... + 193611035.

It is an arithmetic number, because the mean of its divisors is an integer number (903518112).

Almost surely, 2^4646664564 is an apocalyptic number.

It is an amenable number.

4646664564 is an abundant number, since it is smaller than the sum of its proper divisors (6195552780).

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

4646664564 is a wasteful number, since it uses less digits than its factorization.

4646664564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387222054 (or 387222052 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 51.

The square root of 4646664564 is about 68166.4474943502. The cubic root of 4646664564 is about 1668.7083566710.

The spelling of 4646664564 in words is "four billion, six hundred forty-six million, six hundred sixty-four thousand, five hundred sixty-four".