16993133466 has 16 divisors (see below), whose sum is σ = 33992021088. Its totient is φ = 5663418800.

The previous prime is 16993133389. The next prime is 16993133491. The reversal of 16993133466 is 66433139961.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200880 + ... + 272651.

It is an arithmetic number, because the mean of its divisors is an integer number (2124501318).

Almost surely, 2^16993133466 is an apocalyptic number.

16993133466 is an abundant number, since it is smaller than the sum of its proper divisors (16998887622).

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

16993133466 is a wasteful number, since it uses less digits than its factorization.

16993133466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479517.

The product of its digits is 1889568, while the sum is 51.

The spelling of 16993133466 in words is "sixteen billion, nine hundred ninety-three million, one hundred thirty-three thousand, four hundred sixty-six".