2152633656 has 32 divisors (see below), whose sum is σ = 5527034640. Its totient is φ = 698151168.

The previous prime is 2152633649. The next prime is 2152633657. The reversal of 2152633656 is 6563362512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152633657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211181 + ... + 1212956.

Almost surely, 2^2152633656 is an apocalyptic number.

It is an amenable number.

2152633656 is an abundant number, since it is smaller than the sum of its proper divisors (3374400984).

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

2152633656 is a wasteful number, since it uses less digits than its factorization.

2152633656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424183 (or 2424179 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The square root of 2152633656 is about 46396.4832287966. The cubic root of 2152633656 is about 1291.1896675022.

The spelling of 2152633656 in words is "two billion, one hundred fifty-two million, six hundred thirty-three thousand, six hundred fifty-six".