1956656832 has 112 divisors (see below), whose sum is σ = 5646359040. Its totient is φ = 594367488.

The previous prime is 1956656783. The next prime is 1956656833. The reversal of 1956656832 is 2386566591.

It is not an unprimeable number, because it can be changed into a prime (1956656833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192223 + ... + 202145.

It is an arithmetic number, because the mean of its divisors is an integer number (50413920).

Almost surely, 2^1956656832 is an apocalyptic number.

1956656832 is a gapful number since it is divisible by the number (12) 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 1956656832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2823179520).

1956656832 is an abundant number, since it is smaller than the sum of its proper divisors (3689702208).

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

1956656832 is a wasteful number, since it uses less digits than its factorization.

1956656832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10030 (or 10020 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 51.

The square root of 1956656832 is about 44234.1138941428. The cubic root of 1956656832 is about 1250.7530037905.

The spelling of 1956656832 in words is "one billion, nine hundred fifty-six million, six hundred fifty-six thousand, eight hundred thirty-two".