16881244 has 12 divisors (see below), whose sum is σ = 29958768. Its totient is φ = 8321600.

The previous prime is 16881239. The next prime is 16881247. The reversal of 16881244 is 44218861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16881247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29437 + ... + 30004.

It is an arithmetic number, because the mean of its divisors is an integer number (2496564).

Almost surely, 2^16881244 is an apocalyptic number.

It is an amenable number.

16881244 is a deficient number, since it is larger than the sum of its proper divisors (13077524).

16881244 is a wasteful number, since it uses less digits than its factorization.

16881244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59516 (or 59514 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 16881244 is about 4108.6791064769. The cubic root of 16881244 is about 256.5280239221.

The spelling of 16881244 in words is "sixteen million, eight hundred eighty-one thousand, two hundred forty-four".