2675521660 has 24 divisors (see below), whose sum is σ = 6421252320. Its totient is φ = 917321664.

The previous prime is 2675521571. The next prime is 2675521661. The reversal of 2675521660 is 661255762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2675521661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9555295 + ... + 9555574.

It is an arithmetic number, because the mean of its divisors is an integer number (267552180).

Almost surely, 2^2675521660 is an apocalyptic number.

2675521660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2675521660 is an abundant number, since it is smaller than the sum of its proper divisors (3745730660).

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

2675521660 is a wasteful number, since it uses less digits than its factorization.

2675521660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19110885 (or 19110883 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 2675521660 is about 51725.4449956692. Note that the first 3 decimals coincide. The cubic root of 2675521660 is about 1388.2557802226.

The spelling of 2675521660 in words is "two billion, six hundred seventy-five million, five hundred twenty-one thousand, six hundred sixty".