16266042 has 128 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 4451328.

The previous prime is 16266031. The next prime is 16266043. The reversal of 16266042 is 24066261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16265997 and 16266015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16266043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 346063 + ... + 346109.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^16266042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16266042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21772800).

16266042 is an abundant number, since it is smaller than the sum of its proper divisors (27279558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16266042 is a wasteful number, since it uses less digits than its factorization.

16266042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 16266042 is about 4033.1181485297. The cubic root of 16266042 is about 253.3731727896.

The spelling of 16266042 in words is "sixteen million, two hundred sixty-six thousand, forty-two".