16123444 has 24 divisors (see below), whose sum is σ = 29070720. Its totient is φ = 7820736.

The previous prime is 16123421. The next prime is 16123447. The reversal of 16123444 is 44432161.

It is a super-2 number, since 2×16123444² = 519930892842272, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16123447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25824 + ... + 26440.

It is an arithmetic number, because the mean of its divisors is an integer number (1211280).

Almost surely, 2^16123444 is an apocalyptic number.

It is an amenable number.

16123444 is a deficient number, since it is larger than the sum of its proper divisors (12947276).

16123444 is a wasteful number, since it uses less digits than its factorization.

16123444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 805 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 16123444 is about 4015.4008517208. The cubic root of 16123444 is about 252.6305908800.

The spelling of 16123444 in words is "sixteen million, one hundred twenty-three thousand, four hundred forty-four".