16672698 has 48 divisors (see below), whose sum is σ = 41685696. Its totient is φ = 4717440.

The previous prime is 16672693. The next prime is 16672729. The reversal of 16672698 is 89627661.

Its product of digits (217728) is a multiple of the sum of its prime divisors (1296).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16672693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13653 + ... + 14823.

It is an arithmetic number, because the mean of its divisors is an integer number (868452).

Almost surely, 2^16672698 is an apocalyptic number.

16672698 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 16672698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20842848).

16672698 is an abundant number, since it is smaller than the sum of its proper divisors (25012998).

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

16672698 is a wasteful number, since it uses less digits than its factorization.

16672698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299 (or 1296 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 16672698 is about 4083.2215222787. The cubic root of 16672698 is about 255.4672861993.

The spelling of 16672698 in words is "sixteen million, six hundred seventy-two thousand, six hundred ninety-eight".