16930133 has 4 divisors (see below), whose sum is σ = 18469248. Its totient is φ = 15391020.

The previous prime is 16930117. The next prime is 16930141. The reversal of 16930133 is 33103961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33103961 = 11 ⋅3009451.

It is a cyclic number.

It is not a de Polignac number, because 16930133 - 2⁴ = 16930117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16930103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769541 + ... + 769562.

It is an arithmetic number, because the mean of its divisors is an integer number (4617312).

Almost surely, 2^16930133 is an apocalyptic number.

It is an amenable number.

16930133 is a deficient number, since it is larger than the sum of its proper divisors (1539115).

16930133 is a wasteful number, since it uses less digits than its factorization.

16930133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539114.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 16930133 is about 4114.6242841844. The cubic root of 16930133 is about 256.7754249459.

Subtracting 16930133 from its reverse (33103961), we obtain a triangular number (16173828 = T₅₆₈₇).

The spelling of 16930133 in words is "sixteen million, nine hundred thirty thousand, one hundred thirty-three".