16791672 has 64 divisors (see below), whose sum is σ = 43908480. Its totient is φ = 5346432.

The previous prime is 16791661. The next prime is 16791703. The reversal of 16791672 is 27619761.

It is a self number, because there is not a number n which added to its sum of digits gives 16791672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54543 + ... + 54849.

It is an arithmetic number, because the mean of its divisors is an integer number (686070).

Almost surely, 2^16791672 is an apocalyptic number.

16791672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16791672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21954240).

16791672 is an abundant number, since it is smaller than the sum of its proper divisors (27116808).

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

16791672 is a wasteful number, since it uses less digits than its factorization.

16791672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 408 counting only the distinct ones).

The product of its digits is 31752, while the sum is 39.

The square root of 16791672 is about 4097.7642684762. The cubic root of 16791672 is about 256.0735059103.

The spelling of 16791672 in words is "sixteen million, seven hundred ninety-one thousand, six hundred seventy-two".