16161422 has 8 divisors (see below), whose sum is σ = 24280176. Its totient is φ = 8068032.

The previous prime is 16161403. The next prime is 16161427. The reversal of 16161422 is 22416161.

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

It is a super-2 number, since 2×16161422² = 522383122124168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16161427) 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, 4658 + ... + 7349.

It is an arithmetic number, because the mean of its divisors is an integer number (3035022).

Almost surely, 2^16161422 is an apocalyptic number.

16161422 is a deficient number, since it is larger than the sum of its proper divisors (8118754).

16161422 is a wasteful number, since it uses less digits than its factorization.

16161422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12682.

The product of its digits is 576, while the sum is 23.

The square root of 16161422 is about 4020.1271124182. The cubic root of 16161422 is about 252.8287884316.

Adding to 16161422 its reverse (22416161), we get a palindrome (38577583).

The spelling of 16161422 in words is "sixteen million, one hundred sixty-one thousand, four hundred twenty-two".