16791936 has 64 divisors (see below), whose sum is σ = 50983680. Its totient is φ = 4796928.

The previous prime is 16791917. The next prime is 16791941. The reversal of 16791936 is 63919761.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×16791936² = 563938229256192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436 + ... + 5811.

It is an arithmetic number, because the mean of its divisors is an integer number (796620).

Almost surely, 2^16791936 is an apocalyptic number.

16791936 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 16791936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25491840).

16791936 is an abundant number, since it is smaller than the sum of its proper divisors (34191744).

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

16791936 is an equidigital number, since it uses as much as digits as its factorization.

16791936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271 (or 6259 counting only the distinct ones).

The product of its digits is 61236, while the sum is 42.

The square root of 16791936 is about 4097.7964810371. The cubic root of 16791936 is about 256.0748479059.

The spelling of 16791936 in words is "sixteen million, seven hundred ninety-one thousand, nine hundred thirty-six".