1933796656 has 80 divisors (see below), whose sum is σ = 4155984000. Its totient is φ = 864368640.

The previous prime is 1933796639. The next prime is 1933796659. The reversal of 1933796656 is 6566973391.

It is a junction number, because it is equal to n+sod(n) for n = 1933796597 and 1933796606.

It is not an unprimeable number, because it can be changed into a prime (1933796659) 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, 3875095 + ... + 3875593.

It is an arithmetic number, because the mean of its divisors is an integer number (51949800).

Almost surely, 2^1933796656 is an apocalyptic number.

1933796656 is a gapful number since it is divisible by the number (16) 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 1933796656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2077992000).

1933796656 is an abundant number, since it is smaller than the sum of its proper divisors (2222187344).

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

1933796656 is a wasteful number, since it uses less digits than its factorization.

1933796656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 836 counting only the distinct ones).

The product of its digits is 5511240, while the sum is 55.

The square root of 1933796656 is about 43974.9548720633. The cubic root of 1933796656 is about 1245.8629428587.

The spelling of 1933796656 in words is "one billion, nine hundred thirty-three million, seven hundred ninety-six thousand, six hundred fifty-six".