32643834816 has 56 divisors (see below), whose sum is σ = 86387228800. Its totient is φ = 10879126272.

The previous prime is 32643834803. The next prime is 32643834863. The reversal of 32643834816 is 61843834623.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176495 + ... + 1203921.

Almost surely, 2^32643834816 is an apocalyptic number.

It is an amenable number.

32643834816 is an abundant number, since it is smaller than the sum of its proper divisors (53743393984).

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

32643834816 is a wasteful number, since it uses less digits than its factorization.

32643834816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33641 (or 33631 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 48.

The spelling of 32643834816 in words is "thirty-two billion, six hundred forty-three million, eight hundred thirty-four thousand, eight hundred sixteen".