2726631660 has 48 divisors (see below), whose sum is σ = 7880850432. Its totient is φ = 703646400.

The previous prime is 2726631643. The next prime is 2726631697. The reversal of 2726631660 is 661366272.

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 15 ways as a sum of consecutive naturals, for example, 731106 + ... + 734825.

It is an arithmetic number, because the mean of its divisors is an integer number (164184384).

Almost surely, 2^2726631660 is an apocalyptic number.

2726631660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2726631660 is an abundant number, since it is smaller than the sum of its proper divisors (5154218772).

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

2726631660 is a wasteful number, since it uses less digits than its factorization.

2726631660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465974 (or 1465972 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 2726631660 is about 52217.1586741370. The cubic root of 2726631660 is about 1397.0399465795.

The spelling of 2726631660 in words is "two billion, seven hundred twenty-six million, six hundred thirty-one thousand, six hundred sixty".