16087860 has 72 divisors (see below), whose sum is σ = 49227360. Its totient is φ = 4252608.

The previous prime is 16087849. The next prime is 16087871. The reversal of 16087860 is 6878061.

It is an interprime number because it is at equal distance from previous prime (16087849) and next prime (16087871).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24699 + ... + 25341.

Almost surely, 2^16087860 is an apocalyptic number.

16087860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16087860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24613680).

16087860 is an abundant number, since it is smaller than the sum of its proper divisors (33139500).

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

16087860 is a wasteful number, since it uses less digits than its factorization.

16087860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 16087860 is about 4010.9674643407. The cubic root of 16087860 is about 252.4446043886. Note that the first 3 decimals are identical.

The spelling of 16087860 in words is "sixteen million, eighty-seven thousand, eight hundred sixty".