1092809664 has 112 divisors (see below), whose sum is σ = 3260953600. Its totient is φ = 358795008.

The previous prime is 1092809651. The next prime is 1092809671. The reversal of 1092809664 is 4669082901.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111057 + ... + 120495.

Almost surely, 2^1092809664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1092809664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1630476800).

1092809664 is an abundant number, since it is smaller than the sum of its proper divisors (2168143936).

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

1092809664 is an equidigital number, since it uses as much as digits as its factorization.

1092809664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9527 (or 9511 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1092809664 is about 33057.6717873476. The cubic root of 1092809664 is about 1030.0259722612.

The spelling of 1092809664 in words is "one billion, ninety-two million, eight hundred nine thousand, six hundred sixty-four".