2152624660 has 24 divisors (see below), whose sum is σ = 4786425000. Its totient is φ = 810399744.

The previous prime is 2152624633. The next prime is 2152624667. The reversal of 2152624660 is 664262512.

It can be written as a sum of positive squares in 4 ways, for example, as 454030864 + 1698593796 = 21308^2 + 41214^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152624667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3165285 + ... + 3165964.

It is an arithmetic number, because the mean of its divisors is an integer number (199434375).

Almost surely, 2^2152624660 is an apocalyptic number.

2152624660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152624660 is an abundant number, since it is smaller than the sum of its proper divisors (2633800340).

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

2152624660 is a wasteful number, since it uses less digits than its factorization.

2152624660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6331275 (or 6331273 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2152624660 is about 46396.3862816922. The cubic root of 2152624660 is about 1291.1878688437.

The spelling of 2152624660 in words is "two billion, one hundred fifty-two million, six hundred twenty-four thousand, six hundred sixty".