83231318016 has 784 divisors, whose sum is σ = 312864447168. Its totient is φ = 21499084800.

The previous prime is 83231317999. The next prime is 83231318039. The reversal of 83231318016 is 61081313238.

83231318016 is a `hidden beast` number, since 8 + 323 + 1 + 318 + 0 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 459841446 + ... + 459841626.

Almost surely, 2^83231318016 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 83231318016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156432223584).

83231318016 is an abundant number, since it is smaller than the sum of its proper divisors (229633129152).

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

83231318016 is an equidigital number, since it uses as much as digits as its factorization.

83231318016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 83231318016 in words is "eighty-three billion, two hundred thirty-one million, three hundred eighteen thousand, sixteen".