2751648660 has 72 divisors (see below), whose sum is σ = 8615932416. Its totient is φ = 710101440.

The previous prime is 2751648659. The next prime is 2751648737. The reversal of 2751648660 is 668461572.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 240984 + ... + 252143.

It is an arithmetic number, because the mean of its divisors is an integer number (119665728).

Almost surely, 2^2751648660 is an apocalyptic number.

2751648660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2751648660 is an abundant number, since it is smaller than the sum of its proper divisors (5864283756).

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

2751648660 is a wasteful number, since it uses less digits than its factorization.

2751648660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493173 (or 493168 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 2751648660 is about 52456.1594095488. The cubic root of 2751648660 is about 1401.2995857700.

It can be divided in two parts, 27516 and 48660, that added together give a square (76176 = 276²).

The spelling of 2751648660 in words is "two billion, seven hundred fifty-one million, six hundred forty-eight thousand, six hundred sixty".