1108521664 has 42 divisors (see below), whose sum is σ = 2221842140. Its totient is φ = 548714496.

The previous prime is 1108521641. The next prime is 1108521679. The reversal of 1108521664 is 4661258011.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3140112 + ... + 3140464.

Almost surely, 2^1108521664 is an apocalyptic number.

It is an amenable number.

1108521664 is an abundant number, since it is smaller than the sum of its proper divisors (1113320476).

1108521664 is an frugal number, since it uses more digits than its factorization.

1108521664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1108521664 is about 33294.4689700857. The cubic root of 1108521664 is about 1034.9389413753.

Adding to 1108521664 its reverse (4661258011), we get a palindrome (5769779675).

The spelling of 1108521664 in words is "one billion, one hundred eight million, five hundred twenty-one thousand, six hundred sixty-four".