16165442 has 8 divisors (see below), whose sum is σ = 24275916. Its totient is φ = 8073472.

The previous prime is 16165403. The next prime is 16165483. The reversal of 16165442 is 24456161.

16165442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13697401 + 2468041 = 3701^2 + 1571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×16165442³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2183 + ... + 6090.

Almost surely, 2^16165442 is an apocalyptic number.

16165442 is a deficient number, since it is larger than the sum of its proper divisors (8110474).

16165442 is an equidigital number, since it uses as much as digits as its factorization.

16165442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9252.

The product of its digits is 5760, while the sum is 29.

The square root of 16165442 is about 4020.6270655210. The cubic root of 16165442 is about 252.8497496125.

The spelling of 16165442 in words is "sixteen million, one hundred sixty-five thousand, four hundred forty-two".