1090433664 has 80 divisors (see below), whose sum is σ = 3245143770. Its totient is φ = 363474432.

The previous prime is 1090433653. The next prime is 1090433671. The reversal of 1090433664 is 4663340901.

It can be written as a sum of positive squares in only one way, i.e., 1026561600 + 63872064 = 32040^2 + 7992^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 42219 + ... + 62954.

Almost surely, 2^1090433664 is an apocalyptic number.

It is an amenable number.

1090433664 is an abundant number, since it is smaller than the sum of its proper divisors (2154710106).

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

1090433664 is an equidigital number, since it uses as much as digits as its factorization.

1090433664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105199 (or 105178 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 1090433664 is about 33021.7150372297. The cubic root of 1090433664 is about 1029.2789322790.

The spelling of 1090433664 in words is "one billion, ninety million, four hundred thirty-three thousand, six hundred sixty-four".