2375665656 has 128 divisors (see below), whose sum is σ = 7545753600. Its totient is φ = 606320640.

The previous prime is 2375665651. The next prime is 2375665717. The reversal of 2375665656 is 6565665732.

It is a junction number, because it is equal to n+sod(n) for n = 2375665599 and 2375665608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2375665651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50160 + ... + 85248.

It is an arithmetic number, because the mean of its divisors is an integer number (58951200).

Almost surely, 2^2375665656 is an apocalyptic number.

2375665656 is a gapful number since it is divisible by the number (26) 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 2375665656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3772876800).

2375665656 is an abundant number, since it is smaller than the sum of its proper divisors (5170087944).

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

2375665656 is a wasteful number, since it uses less digits than its factorization.

2375665656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35149 (or 35145 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 51.

The square root of 2375665656 is about 48740.8007320356. The cubic root of 2375665656 is about 1334.3254609678.

The spelling of 2375665656 in words is "two billion, three hundred seventy-five million, six hundred sixty-five thousand, six hundred fifty-six".