3231694816 has 96 divisors (see below), whose sum is σ = 7409223360. Its totient is φ = 1358954496.

The previous prime is 3231694801. The next prime is 3231694831. The reversal of 3231694816 is 6184961323.

It is an interprime number because it is at equal distance from previous prime (3231694801) and next prime (3231694831).

It is a super-2 number, since 2×3231694816² = 20887702767522547712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4202080 + ... + 4202848.

It is an arithmetic number, because the mean of its divisors is an integer number (77179410).

Almost surely, 2^3231694816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3231694816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3704611680).

3231694816 is an abundant number, since it is smaller than the sum of its proper divisors (4177528544).

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

3231694816 is a wasteful number, since it uses less digits than its factorization.

3231694816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1108 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 3231694816 is about 56847.9974669293. The cubic root of 3231694816 is about 1478.4618204614.

The spelling of 3231694816 in words is "three billion, two hundred thirty-one million, six hundred ninety-four thousand, eight hundred sixteen".