16013959 has 4 divisors (see below), whose sum is σ = 17245816. Its totient is φ = 14782104.

The previous prime is 16013951. The next prime is 16013969. The reversal of 16013959 is 95931061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16013959 - 2³ = 16013951 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 (16013951) 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 3 ways as a sum of consecutive naturals, for example, 615909 + ... + 615934.

It is an arithmetic number, because the mean of its divisors is an integer number (4311454).

Almost surely, 2^16013959 is an apocalyptic number.

16013959 is a deficient number, since it is larger than the sum of its proper divisors (1231857).

16013959 is a wasteful number, since it uses less digits than its factorization.

16013959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231856.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 16013959 is about 4001.7444945923. The cubic root of 16013959 is about 252.0574688366.

The spelling of 16013959 in words is "sixteen million, thirteen thousand, nine hundred fifty-nine".