16342881 has 16 divisors (see below), whose sum is σ = 22471680. Its totient is φ = 10558800.

The previous prime is 16342849. The next prime is 16342883. The reversal of 16342881 is 18824361.

It is not a de Polignac number, because 16342881 - 2⁵ = 16342849 is a prime.

It is a super-2 number, since 2×16342881² = 534179518760322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16342883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19060 + ... + 19898.

It is an arithmetic number, because the mean of its divisors is an integer number (1404480).

Almost surely, 2^16342881 is an apocalyptic number.

It is an amenable number.

16342881 is a deficient number, since it is larger than the sum of its proper divisors (6128799).

16342881 is a wasteful number, since it uses less digits than its factorization.

16342881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its digits is 9216, while the sum is 33.

The square root of 16342881 is about 4042.6329291688. The cubic root of 16342881 is about 253.7715152391.

The spelling of 16342881 in words is "sixteen million, three hundred forty-two thousand, eight hundred eighty-one".