16108986 has 32 divisors (see below), whose sum is σ = 33379200. Its totient is φ = 5178816.

The previous prime is 16108973. The next prime is 16108991. The reversal of 16108986 is 68980161.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32835 + ... + 33321.

It is an arithmetic number, because the mean of its divisors is an integer number (1043100).

Almost surely, 2^16108986 is an apocalyptic number.

16108986 is an abundant number, since it is smaller than the sum of its proper divisors (17270214).

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

16108986 is a wasteful number, since it uses less digits than its factorization.

16108986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 16108986 is about 4013.6001295595. The cubic root of 16108986 is about 252.5550564517. Note that the first 3 decimals are identical.

The spelling of 16108986 in words is "sixteen million, one hundred eight thousand, nine hundred eighty-six".