16488216 has 24 divisors (see below), whose sum is σ = 44655780. Its totient is φ = 5496048.

The previous prime is 16488179. The next prime is 16488223. The reversal of 16488216 is 61288461.

16488216 is a `hidden beast` number, since 1 + 648 + 8 + 2 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×16488216² = 543722533725312, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114430 + ... + 114573.

Almost surely, 2^16488216 is an apocalyptic number.

It is an amenable number.

16488216 is an abundant number, since it is smaller than the sum of its proper divisors (28167564).

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

16488216 is a wasteful number, since it uses less digits than its factorization.

16488216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229015 (or 229008 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 16488216 is about 4060.5684331138. The cubic root of 16488216 is about 254.5215480640.

The spelling of 16488216 in words is "sixteen million, four hundred eighty-eight thousand, two hundred sixteen".