16749936 has 160 divisors (see below), whose sum is σ = 57139200. Its totient is φ = 4596480.

The previous prime is 16749899. The next prime is 16749949. The reversal of 16749936 is 63994761.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 16749891 and 16749900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87601 + ... + 87791.

It is an arithmetic number, because the mean of its divisors is an integer number (357120).

Almost surely, 2^16749936 is an apocalyptic number.

16749936 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 16749936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28569600).

16749936 is an abundant number, since it is smaller than the sum of its proper divisors (40389264).

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

16749936 is a wasteful number, since it uses less digits than its factorization.

16749936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 232 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 16749936 is about 4092.6685670843. The cubic root of 16749936 is about 255.8611714718.

The spelling of 16749936 in words is "sixteen million, seven hundred forty-nine thousand, nine hundred thirty-six".