16049859 has 16 divisors (see below), whose sum is σ = 24541440. Its totient is φ = 9139680.

The previous prime is 16049849. The next prime is 16049861. The reversal of 16049859 is 95894061.

It is not a de Polignac number, because 16049859 - 2⁴ = 16049843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16049859.

It is not an unprimeable number, because it can be changed into a prime (16049849) 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, 5797 + ... + 8105.

It is an arithmetic number, because the mean of its divisors is an integer number (1533840).

Almost surely, 2^16049859 is an apocalyptic number.

16049859 is a deficient number, since it is larger than the sum of its proper divisors (8491581).

16049859 is a wasteful number, since it uses less digits than its factorization.

16049859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 16049859 is about 4006.2275272381. The cubic root of 16049859 is about 252.2456819167.

The spelling of 16049859 in words is "sixteen million, forty-nine thousand, eight hundred fifty-nine".