16671901194 has 64 divisors (see below), whose sum is σ = 40747553280. Its totient is φ = 5020660800.

The previous prime is 16671901193. The next prime is 16671901261. The reversal of 16671901194 is 49110917661.

It is not an unprimeable number, because it can be changed into a prime (16671901193) 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, 219657 + ... + 285644.

It is an arithmetic number, because the mean of its divisors is an integer number (636680520).

Almost surely, 2^16671901194 is an apocalyptic number.

16671901194 is an abundant number, since it is smaller than the sum of its proper divisors (24075652086).

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

16671901194 is a wasteful number, since it uses less digits than its factorization.

16671901194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505372 (or 505366 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 16671901194 in words is "sixteen billion, six hundred seventy-one million, nine hundred one thousand, one hundred ninety-four".