16394133 has 16 divisors (see below), whose sum is σ = 25788416. Its totient is φ = 9065520.

The previous prime is 16394129. The next prime is 16394141. The reversal of 16394133 is 33149361.

It is not a de Polignac number, because 16394133 - 2² = 16394129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16394133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16394173) 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, 11941 + ... + 13242.

It is an arithmetic number, because the mean of its divisors is an integer number (1611776).

Almost surely, 2^16394133 is an apocalyptic number.

It is an amenable number.

16394133 is a deficient number, since it is larger than the sum of its proper divisors (9394283).

16394133 is a wasteful number, since it uses less digits than its factorization.

16394133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25224.

The product of its digits is 5832, while the sum is 30.

The square root of 16394133 is about 4048.9669052735. The cubic root of 16394133 is about 254.0365179892.

The spelling of 16394133 in words is "sixteen million, three hundred ninety-four thousand, one hundred thirty-three".