2321611572 has 72 divisors (see below), whose sum is σ = 6313610016. Its totient is φ = 662044992.

The previous prime is 2321611549. The next prime is 2321611661. The reversal of 2321611572 is 2751161232.

It is a super-2 number, since 2×2321611572² = 10779760582488622368, 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 23 ways as a sum of consecutive naturals, for example, 327538 + ... + 334550.

It is an arithmetic number, because the mean of its divisors is an integer number (87689028).

Almost surely, 2^2321611572 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 2321611572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3156805008).

2321611572 is an abundant number, since it is smaller than the sum of its proper divisors (3991998444).

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

2321611572 is a wasteful number, since it uses less digits than its factorization.

2321611572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7597 (or 7588 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 2321611572 is about 48183.1046322256. The cubic root of 2321611572 is about 1324.1276464100.

The spelling of 2321611572 in words is "two billion, three hundred twenty-one million, six hundred eleven thousand, five hundred seventy-two".