16993119 has 36 divisors (see below), whose sum is σ = 27064968. Its totient is φ = 9472320.

The previous prime is 16993111. The next prime is 16993133. The reversal of 16993119 is 91139961.

It is a happy number.

It is not a de Polignac number, because 16993119 - 2³ = 16993111 is a prime.

It is a super-2 number, since 2×16993119² = 577532186696322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16993111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 61209 + ... + 61485.

Almost surely, 2^16993119 is an apocalyptic number.

16993119 is a deficient number, since it is larger than the sum of its proper divisors (10071849).

16993119 is a wasteful number, since it uses less digits than its factorization.

16993119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 304 counting only the distinct ones).

The product of its digits is 13122, while the sum is 39.

The square root of 16993119 is about 4122.2710973443. The cubic root of 16993119 is about 257.0934622495.

The spelling of 16993119 in words is "sixteen million, nine hundred ninety-three thousand, one hundred nineteen".