16986216 has 32 divisors (see below), whose sum is σ = 45732960. Its totient is φ = 5226432.

The previous prime is 16986173. The next prime is 16986241. The reversal of 16986216 is 61268961.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26910 + ... + 27533.

It is an arithmetic number, because the mean of its divisors is an integer number (1429155).

Almost surely, 2^16986216 is an apocalyptic number.

It is an amenable number.

16986216 is an abundant number, since it is smaller than the sum of its proper divisors (28746744).

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

16986216 is a wasteful number, since it uses less digits than its factorization.

16986216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54465 (or 54461 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 16986216 is about 4121.4337311183. The cubic root of 16986216 is about 257.0586450874.

The spelling of 16986216 in words is "sixteen million, nine hundred eighty-six thousand, two hundred sixteen".