2975856660 has 144 divisors (see below), whose sum is σ = 10385286912. Its totient is φ = 675648000.

The previous prime is 2975856649. The next prime is 2975856677. The reversal of 2975856660 is 666585792.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2975856597 and 2975856606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182440 + ... + 198080.

It is an arithmetic number, because the mean of its divisors is an integer number (72120048).

Almost surely, 2^2975856660 is an apocalyptic number.

2975856660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2975856660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5192643456).

2975856660 is an abundant number, since it is smaller than the sum of its proper divisors (7409430252).

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

2975856660 is a wasteful number, since it uses less digits than its factorization.

2975856660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15814 (or 15809 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The square root of 2975856660 is about 54551.4129972817. The cubic root of 2975856660 is about 1438.3701757002.

The spelling of 2975856660 in words is "two billion, nine hundred seventy-five million, eight hundred fifty-six thousand, six hundred sixty".