16858072 has 32 divisors (see below), whose sum is σ = 39409920. Its totient is φ = 6567840.

The previous prime is 16858069. The next prime is 16858091. The reversal of 16858072 is 27085861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13068 + ... + 14299.

It is an arithmetic number, because the mean of its divisors is an integer number (1231560).

Almost surely, 2^16858072 is an apocalyptic number.

It is an amenable number.

16858072 is an abundant number, since it is smaller than the sum of its proper divisors (22551848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16858072 is a wasteful number, since it uses less digits than its factorization.

16858072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27391 (or 27387 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 16858072 is about 4105.8582537638. The cubic root of 16858072 is about 256.4105959797.

The spelling of 16858072 in words is "sixteen million, eight hundred fifty-eight thousand, seventy-two".