16931799 has 6 divisors (see below), whose sum is σ = 24457056. Its totient is φ = 11287860.

The previous prime is 16931777. The next prime is 16931801. The reversal of 16931799 is 99713961.

It is not a de Polignac number, because 16931799 - 2⁷ = 16931671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16931699) 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 5 ways as a sum of consecutive naturals, for example, 940647 + ... + 940664.

It is an arithmetic number, because the mean of its divisors is an integer number (4076176).

Almost surely, 2^16931799 is an apocalyptic number.

16931799 is a deficient number, since it is larger than the sum of its proper divisors (7525257).

16931799 is a wasteful number, since it uses less digits than its factorization.

16931799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881317 (or 1881314 counting only the distinct ones).

The product of its digits is 91854, while the sum is 45.

The square root of 16931799 is about 4114.8267278222. The cubic root of 16931799 is about 256.7838472823.

The spelling of 16931799 in words is "sixteen million, nine hundred thirty-one thousand, seven hundred ninety-nine".