1013838664 has 16 divisors (see below), whose sum is σ = 1901285820. Its totient is φ = 506829120.

The previous prime is 1013838659. The next prime is 1013838667. The reversal of 1013838664 is 4668383101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 952216164 + 61622500 = 30858^2 + 7850^2 .

It is not an unprimeable number, because it can be changed into a prime (1013838667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78934 + ... + 90874.

Almost surely, 2^1013838664 is an apocalyptic number.

It is an amenable number.

1013838664 is a deficient number, since it is larger than the sum of its proper divisors (887447156).

1013838664 is a wasteful number, since it uses less digits than its factorization.

1013838664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22560 (or 22556 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1013838664 is about 31840.8332805534. The cubic root of 1013838664 is about 1004.5917713642.

The spelling of 1013838664 in words is "one billion, thirteen million, eight hundred thirty-eight thousand, six hundred sixty-four".