16333664388 has 48 divisors (see below), whose sum is σ = 38623200000. Its totient is φ = 5371930368.

The previous prime is 16333664387. The next prime is 16333664401. The reversal of 16333664388 is 88346633361.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16333664388.

It is not an unprimeable number, because it can be changed into a prime (16333664387) 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, 286488 + ... + 338736.

It is an arithmetic number, because the mean of its divisors is an integer number (804650000).

Almost surely, 2^16333664388 is an apocalyptic number.

It is an amenable number.

16333664388 is an abundant number, since it is smaller than the sum of its proper divisors (22289535612).

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

16333664388 is a wasteful number, since it uses less digits than its factorization.

16333664388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52604 (or 52602 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 51.

The spelling of 16333664388 in words is "sixteen billion, three hundred thirty-three million, six hundred sixty-four thousand, three hundred eighty-eight".