16881336 has 24 divisors (see below), whose sum is σ = 45720480. Its totient is φ = 5627088.

The previous prime is 16881317. The next prime is 16881353. The reversal of 16881336 is 63318861.

It is a tau number, because it is divible by the number of its divisors (24).

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 16881336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117160 + ... + 117303.

It is an arithmetic number, because the mean of its divisors is an integer number (1905020).

Almost surely, 2^16881336 is an apocalyptic number.

It is an amenable number.

16881336 is an abundant number, since it is smaller than the sum of its proper divisors (28839144).

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

16881336 is a wasteful number, since it uses less digits than its factorization.

16881336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234475 (or 234468 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 16881336 is about 4108.6903022739. The cubic root of 16881336 is about 256.5284899330.

The spelling of 16881336 in words is "sixteen million, eight hundred eighty-one thousand, three hundred thirty-six".