16672918 has 8 divisors (see below), whose sum is σ = 26325720. Its totient is φ = 7897680.

The previous prime is 16672897. The next prime is 16672927. The reversal of 16672918 is 81927661.

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

It is a congruent number.

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, 219343 + ... + 219418.

It is an arithmetic number, because the mean of its divisors is an integer number (3290715).

Almost surely, 2^16672918 is an apocalyptic number.

16672918 is a deficient number, since it is larger than the sum of its proper divisors (9652802).

16672918 is a wasteful number, since it uses less digits than its factorization.

16672918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438782.

The product of its digits is 36288, while the sum is 40.

The square root of 16672918 is about 4083.2484617030. The cubic root of 16672918 is about 255.4684098438.

The spelling of 16672918 in words is "sixteen million, six hundred seventy-two thousand, nine hundred eighteen".