2153325664 has 24 divisors (see below), whose sum is σ = 4844983248. Its totient is φ = 922853760.

The previous prime is 2153325649. The next prime is 2153325677. The reversal of 2153325664 is 4665233512.

It is a super-2 number, since 2×2153325664² = 9273622830482081792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4806307 + ... + 4806754.

It is an arithmetic number, because the mean of its divisors is an integer number (201874302).

Almost surely, 2^2153325664 is an apocalyptic number.

It is an amenable number.

2153325664 is an abundant number, since it is smaller than the sum of its proper divisors (2691657584).

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

2153325664 is an equidigital number, since it uses as much as digits as its factorization.

2153325664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9613078 (or 9613070 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The square root of 2153325664 is about 46403.9401775323. The cubic root of 2153325664 is about 1291.3280124312.

The spelling of 2153325664 in words is "two billion, one hundred fifty-three million, three hundred twenty-five thousand, six hundred sixty-four".