2681072660 has 48 divisors (see below), whose sum is σ = 6440681856. Its totient is φ = 918352512.

The previous prime is 2681072659. The next prime is 2681072663. The reversal of 2681072660 is 662701862.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681072663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148694 + ... + 165746.

It is an arithmetic number, because the mean of its divisors is an integer number (134180872).

Almost surely, 2^2681072660 is an apocalyptic number.

2681072660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2681072660 is an abundant number, since it is smaller than the sum of its proper divisors (3759609196).

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

2681072660 is a wasteful number, since it uses less digits than its factorization.

2681072660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18192 (or 18190 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2681072660 is about 51779.0755035275. The cubic root of 2681072660 is about 1389.2152049008.

The spelling of 2681072660 in words is "two billion, six hundred eighty-one million, seventy-two thousand, six hundred sixty".