1300556664 has 48 divisors (see below), whose sum is σ = 3842556120. Its totient is φ = 394107840.

The previous prime is 1300556657. The next prime is 1300556711. The reversal of 1300556664 is 4666550031.

1300556664 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820267 + ... + 821850.

Almost surely, 2^1300556664 is an apocalyptic number.

It is an amenable number.

1300556664 is an abundant number, since it is smaller than the sum of its proper divisors (2541999456).

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

1300556664 is a wasteful number, since it uses less digits than its factorization.

1300556664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642140 (or 1642133 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 1300556664 is about 36063.2314691848. The cubic root of 1300556664 is about 1091.5486400949.

The spelling of 1300556664 in words is "one billion, three hundred million, five hundred fifty-six thousand, six hundred sixty-four".