1031538664 has 16 divisors (see below), whose sum is σ = 2082914820. Its totient is φ = 476094720.

The previous prime is 1031538637. The next prime is 1031538701. The reversal of 1031538664 is 4668351301.

It can be written as a sum of positive squares in 2 ways, for example, as 757900900 + 273637764 = 27530^2 + 16542^2 .

It is an unprimeable number.

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, 4959217 + ... + 4959424.

Almost surely, 2^1031538664 is an apocalyptic number.

It is an amenable number.

1031538664 is an abundant number, since it is smaller than the sum of its proper divisors (1051376156).

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

1031538664 is a wasteful number, since it uses less digits than its factorization.

1031538664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9918660 (or 9918656 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1031538664 is about 32117.5756245704. The cubic root of 1031538664 is about 1010.4042638771.

Adding to 1031538664 its reverse (4668351301), we get a palindrome (5699889965).

The spelling of 1031538664 in words is "one billion, thirty-one million, five hundred thirty-eight thousand, six hundred sixty-four".