2537688660 has 96 divisors (see below), whose sum is σ = 7859010432. Its totient is φ = 607772160.

The previous prime is 2537688641. The next prime is 2537688679. The reversal of 2537688660 is 668867352.

It is an interprime number because it is at equal distance from previous prime (2537688641) and next prime (2537688679).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 15106 + ... + 72825.

It is an arithmetic number, because the mean of its divisors is an integer number (81864692).

Almost surely, 2^2537688660 is an apocalyptic number.

2537688660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2537688660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3929505216).

2537688660 is an abundant number, since it is smaller than the sum of its proper divisors (5321321772).

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

2537688660 is a wasteful number, since it uses less digits than its factorization.

2537688660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87993 (or 87991 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 2537688660 is about 50375.4767719374. The cubic root of 2537688660 is about 1363.9950041813.

The spelling of 2537688660 in words is "two billion, five hundred thirty-seven million, six hundred eighty-eight thousand, six hundred sixty".