2656741660 has 24 divisors (see below), whose sum is σ = 5581308096. Its totient is φ = 1062287040.

The previous prime is 2656741651. The next prime is 2656741697. The reversal of 2656741660 is 661476562.

It is a happy number.

2656741660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30589 + ... + 79051.

It is an arithmetic number, because the mean of its divisors is an integer number (232554504).

Almost surely, 2^2656741660 is an apocalyptic number.

2656741660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2656741660 is an abundant number, since it is smaller than the sum of its proper divisors (2924566436).

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

2656741660 is a wasteful number, since it uses less digits than its factorization.

2656741660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51213 (or 51211 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 2656741660 is about 51543.5899021401. The cubic root of 2656741660 is about 1385.0000060820. Note that the first 5 decimals are identical.

The spelling of 2656741660 in words is "two billion, six hundred fifty-six million, seven hundred forty-one thousand, six hundred sixty".