16119955 has 4 divisors (see below), whose sum is σ = 19343952. Its totient is φ = 12895960.

The previous prime is 16119953. The next prime is 16119959. The reversal of 16119955 is 55991161.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16119955 - 2¹ = 16119953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16119953) 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, 1611991 + ... + 1612000.

It is an arithmetic number, because the mean of its divisors is an integer number (4835988).

Almost surely, 2^16119955 is an apocalyptic number.

16119955 is a deficient number, since it is larger than the sum of its proper divisors (3223997).

16119955 is an equidigital number, since it uses as much as digits as its factorization.

16119955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223996.

The product of its digits is 12150, while the sum is 37.

The square root of 16119955 is about 4014.9663759489. The cubic root of 16119955 is about 252.6123670705.

The spelling of 16119955 in words is "sixteen million, one hundred nineteen thousand, nine hundred fifty-five".