16677672 has 48 divisors (see below), whose sum is σ = 45837120. Its totient is φ = 5052960.

The previous prime is 16677643. The next prime is 16677701. The reversal of 16677672 is 27677661.

It is an interprime number because it is at equal distance from previous prime (16677643) and next prime (16677701).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33 + ... + 5775.

It is an arithmetic number, because the mean of its divisors is an integer number (954940).

Almost surely, 2^16677672 is an apocalyptic number.

16677672 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 16677672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22918560).

16677672 is an abundant number, since it is smaller than the sum of its proper divisors (29159448).

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

16677672 is a wasteful number, since it uses less digits than its factorization.

16677672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5774 (or 5759 counting only the distinct ones).

The product of its digits is 148176, while the sum is 42.

The square root of 16677672 is about 4083.8305547611. The cubic root of 16677672 is about 255.4926883655.

It can be divided in two parts, 1667 and 7672, that added together give a palindrome (9339).

The spelling of 16677672 in words is "sixteen million, six hundred seventy-seven thousand, six hundred seventy-two".