16918072 has 16 divisors (see below), whose sum is σ = 31822200. Its totient is φ = 8432160.

The previous prime is 16918067. The next prime is 16918079. The reversal of 16918072 is 27081961.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16918079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547 + ... + 5842.

Almost surely, 2^16918072 is an apocalyptic number.

It is an amenable number.

16918072 is a deficient number, since it is larger than the sum of its proper divisors (14904128).

16918072 is a wasteful number, since it uses less digits than its factorization.

16918072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726 (or 6722 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 16918072 is about 4113.1583971445. The cubic root of 16918072 is about 256.7144349915.

The spelling of 16918072 in words is "sixteen million, nine hundred eighteen thousand, seventy-two".