32821694416 has 80 divisors (see below), whose sum is σ = 78282989568. Its totient is φ = 13020796800.

The previous prime is 32821694413. The next prime is 32821694459. The reversal of 32821694416 is 61449612823.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32821694413) 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, 125650 + ... + 285361.

Almost surely, 2^32821694416 is an apocalyptic number.

It is an amenable number.

32821694416 is an abundant number, since it is smaller than the sum of its proper divisors (45461295152).

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

32821694416 is a wasteful number, since it uses less digits than its factorization.

32821694416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411080 (or 411074 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The spelling of 32821694416 in words is "thirty-two billion, eight hundred twenty-one million, six hundred ninety-four thousand, four hundred sixteen".