16973118 has 64 divisors (see below), whose sum is σ = 40435200. Its totient is φ = 5261760.

The previous prime is 16973107. The next prime is 16973119. The reversal of 16973118 is 81137961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16973119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72730 + ... + 72962.

It is an arithmetic number, because the mean of its divisors is an integer number (631800).

Almost surely, 2^16973118 is an apocalyptic number.

16973118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16973118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20217600).

16973118 is an abundant number, since it is smaller than the sum of its proper divisors (23462082).

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

16973118 is a wasteful number, since it uses less digits than its factorization.

16973118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 328 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 16973118 is about 4119.8444145380. The cubic root of 16973118 is about 256.9925558160.

The spelling of 16973118 in words is "sixteen million, nine hundred seventy-three thousand, one hundred eighteen".