16020986 has 8 divisors (see below), whose sum is σ = 24806784. Its totient is φ = 7752060.

The previous prime is 16020967. The next prime is 16020997. The reversal of 16020986 is 68902061.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129140 + ... + 129263.

It is an arithmetic number, because the mean of its divisors is an integer number (3100848).

Almost surely, 2^16020986 is an apocalyptic number.

16020986 is a deficient number, since it is larger than the sum of its proper divisors (8785798).

16020986 is a wasteful number, since it uses less digits than its factorization.

16020986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258436.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 16020986 is about 4002.6223903836. The cubic root of 16020986 is about 252.0943314434.

The spelling of 16020986 in words is "sixteen million, twenty thousand, nine hundred eighty-six".