16339955 has 16 divisors (see below), whose sum is σ = 20139840. Its totient is φ = 12722688.

The previous prime is 16339951. The next prime is 16339969. The reversal of 16339955 is 55993361.

It is a cyclic number.

It is not a de Polignac number, because 16339955 - 2² = 16339951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16339951) 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, 32234 + ... + 32736.

It is an arithmetic number, because the mean of its divisors is an integer number (1258740).

Almost surely, 2^16339955 is an apocalyptic number.

16339955 is a deficient number, since it is larger than the sum of its proper divisors (3799885).

16339955 is an equidigital number, since it uses as much as digits as its factorization.

16339955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670.

The product of its digits is 109350, while the sum is 41.

The square root of 16339955 is about 4042.2710201074. The cubic root of 16339955 is about 253.7563694034.

The spelling of 16339955 in words is "sixteen million, three hundred thirty-nine thousand, nine hundred fifty-five".