16774416 has 60 divisors (see below), whose sum is σ = 49423920. Its totient is φ = 5296320.

The previous prime is 16774411. The next prime is 16774421. The reversal of 16774416 is 61447761.

It is an interprime number because it is at equal distance from previous prime (16774411) and next prime (16774421).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16774411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330 + ... + 5801.

It is an arithmetic number, because the mean of its divisors is an integer number (823732).

Almost surely, 2^16774416 is an apocalyptic number.

16774416 is a gapful number since it is divisible by the number (16) 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 16774416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24711960).

16774416 is an abundant number, since it is smaller than the sum of its proper divisors (32649504).

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

16774416 is a wasteful number, since it uses less digits than its factorization.

16774416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6164 (or 6155 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 16774416 is about 4095.6581888629. The cubic root of 16774416 is about 255.9857576712.

The spelling of 16774416 in words is "sixteen million, seven hundred seventy-four thousand, four hundred sixteen".