16931193 has 8 divisors (see below), whose sum is σ = 22597248. Its totient is φ = 11276304.

The previous prime is 16931183. The next prime is 16931209. The reversal of 16931193 is 39113961.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16931193 - 2¹³ = 16923001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16931113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855 + ... + 6107.

It is an arithmetic number, because the mean of its divisors is an integer number (2824656).

Almost surely, 2^16931193 is an apocalyptic number.

It is an amenable number.

16931193 is a deficient number, since it is larger than the sum of its proper divisors (5666055).

16931193 is a wasteful number, since it uses less digits than its factorization.

16931193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583.

The product of its digits is 4374, while the sum is 33.

The square root of 16931193 is about 4114.7530910129. The cubic root of 16931193 is about 256.7807837592.

The spelling of 16931193 in words is "sixteen million, nine hundred thirty-one thousand, one hundred ninety-three".