2137028660 has 36 divisors (see below), whose sum is σ = 4859534988. Its totient is φ = 789055488.

The previous prime is 2137028659. The next prime is 2137028669. The reversal of 2137028660 is 668207312.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 551874064 + 1585154596 = 23492^2 + 39814^2 .

It is a super-2 number, since 2×2137028660² = 9133782987322791200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2137028660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137028669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312749 + ... + 319508.

It is an arithmetic number, because the mean of its divisors is an integer number (134987083).

Almost surely, 2^2137028660 is an apocalyptic number.

2137028660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2137028660 is an abundant number, since it is smaller than the sum of its proper divisors (2722506328).

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

2137028660 is a wasteful number, since it uses less digits than its factorization.

2137028660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632292 (or 632277 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2137028660 is about 46228.0073115855. The cubic root of 2137028660 is about 1288.0620421036.

The spelling of 2137028660 in words is "two billion, one hundred thirty-seven million, twenty-eight thousand, six hundred sixty".