1013564660 has 12 divisors (see below), whose sum is σ = 2128485828. Its totient is φ = 405425856.

The previous prime is 1013564647. The next prime is 1013564693. The reversal of 1013564660 is 664653101.

It can be written as a sum of positive squares in 2 ways, for example, as 427827856 + 585736804 = 20684^2 + 24202^2 .

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, 25339097 + ... + 25339136.

It is an arithmetic number, because the mean of its divisors is an integer number (177373819).

Almost surely, 2^1013564660 is an apocalyptic number.

1013564660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013564660 is an abundant number, since it is smaller than the sum of its proper divisors (1114921168).

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

1013564660 is a wasteful number, since it uses less digits than its factorization.

1013564660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50678242 (or 50678240 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1013564660 is about 31836.5302757697. The cubic root of 1013564660 is about 1004.5012615770.

The spelling of 1013564660 in words is "one billion, thirteen million, five hundred sixty-four thousand, six hundred sixty".