16664296218 has 64 divisors (see below), whose sum is σ = 36011520000. Its totient is φ = 5124233664.

The previous prime is 16664296211. The next prime is 16664296247. The reversal of 16664296218 is 81269246661.

It is not an unprimeable number, because it can be changed into a prime (16664296211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1058428 + ... + 1074056.

It is an arithmetic number, because the mean of its divisors is an integer number (562680000).

Almost surely, 2^16664296218 is an apocalyptic number.

16664296218 is an abundant number, since it is smaller than the sum of its proper divisors (19347223782).

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

16664296218 is a wasteful number, since it uses less digits than its factorization.

16664296218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15899.

The product of its digits is 1492992, while the sum is 51.

The spelling of 16664296218 in words is "sixteen billion, six hundred sixty-four million, two hundred ninety-six thousand, two hundred eighteen".