16117442 has 12 divisors (see below), whose sum is σ = 26574198. Its totient is φ = 7326000.

The previous prime is 16117441. The next prime is 16117447. The reversal of 16117442 is 24471161.

It can be written as a sum of positive squares in only one way, i.e., 11703241 + 4414201 = 3421^2 + 2101^2 .

It is not an unprimeable number, because it can be changed into a prime (16117441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33059 + ... + 33542.

Almost surely, 2^16117442 is an apocalyptic number.

16117442 is a deficient number, since it is larger than the sum of its proper divisors (10456756).

16117442 is a wasteful number, since it uses less digits than its factorization.

16117442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66625 (or 66614 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 16117442 is about 4014.6534096980. The cubic root of 16117442 is about 252.5992394931.

The spelling of 16117442 in words is "sixteen million, one hundred seventeen thousand, four hundred forty-two".