16489858 has 16 divisors (see below), whose sum is σ = 30838464. Its totient is φ = 6424560.

The previous prime is 16489843. The next prime is 16489883. The reversal of 16489858 is 85898461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53385 + ... + 53692.

It is an arithmetic number, because the mean of its divisors is an integer number (1927404).

Almost surely, 2^16489858 is an apocalyptic number.

16489858 is a deficient number, since it is larger than the sum of its proper divisors (14348606).

16489858 is a wasteful number, since it uses less digits than its factorization.

16489858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107097.

The product of its digits is 552960, while the sum is 49.

The square root of 16489858 is about 4060.7706165210. The cubic root of 16489858 is about 254.5299967345.

The spelling of 16489858 in words is "sixteen million, four hundred eighty-nine thousand, eight hundred fifty-eight".