16000858 has 8 divisors (see below), whose sum is σ = 24126228. Its totient is φ = 7958784.

The previous prime is 16000841. The next prime is 16000877. The reversal of 16000858 is 85800061.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13741849 + 2259009 = 3707^2 + 1503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

16000858 is a modest number, since divided by 858 gives 16 as remainder.

It is an unprimeable number.

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, 20341 + ... + 21112.

Almost surely, 2^16000858 is an apocalyptic number.

16000858 is a deficient number, since it is larger than the sum of its proper divisors (8125370).

16000858 is a wasteful number, since it uses less digits than its factorization.

16000858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41648.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 16000858 is about 4000.1072485622. The cubic root of 16000858 is about 251.9887141162.

The spelling of 16000858 in words is "sixteen million, eight hundred fifty-eight", and thus it is an aban number.