16845672 has 16 divisors (see below), whose sum is σ = 42114240. Its totient is φ = 5615216.

The previous prime is 16845649. The next prime is 16845707. The reversal of 16845672 is 27654861.

It is a self number, because there is not a number n which added to its sum of digits gives 16845672.

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, 350928 + ... + 350975.

It is an arithmetic number, because the mean of its divisors is an integer number (2632140).

Almost surely, 2^16845672 is an apocalyptic number.

16845672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16845672 is an abundant number, since it is smaller than the sum of its proper divisors (25268568).

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

16845672 is a wasteful number, since it uses less digits than its factorization.

16845672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701912 (or 701908 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 16845672 is about 4104.3479384672. The cubic root of 16845672 is about 256.3477127257.

The spelling of 16845672 in words is "sixteen million, eight hundred forty-five thousand, six hundred seventy-two".