16390959 has 16 divisors (see below), whose sum is σ = 23611392. Its totient is φ = 10054368.

The previous prime is 16390951. The next prime is 16390961. The reversal of 16390959 is 95909361.

It is not a de Polignac number, because 16390959 - 2³ = 16390951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16390959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16390951) 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, 18562 + ... + 19424.

It is an arithmetic number, because the mean of its divisors is an integer number (1475712).

Almost surely, 2^16390959 is an apocalyptic number.

16390959 is a deficient number, since it is larger than the sum of its proper divisors (7220433).

16390959 is a wasteful number, since it uses less digits than its factorization.

16390959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 16390959 is about 4048.5749344677. The cubic root of 16390959 is about 254.0201226127.

The spelling of 16390959 in words is "sixteen million, three hundred ninety thousand, nine hundred fifty-nine".