16265766 has 32 divisors (see below), whose sum is σ = 36360576. Its totient is φ = 4808000.

The previous prime is 16265749. The next prime is 16265771. The reversal of 16265766 is 66756261.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 300 + ... + 5711.

It is an arithmetic number, because the mean of its divisors is an integer number (1136268).

Almost surely, 2^16265766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16265766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18180288).

16265766 is an abundant number, since it is smaller than the sum of its proper divisors (20094810).

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

16265766 is a wasteful number, since it uses less digits than its factorization.

16265766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068.

The product of its digits is 90720, while the sum is 39.

The square root of 16265766 is about 4033.0839316830. The cubic root of 16265766 is about 253.3717397142.

The spelling of 16265766 in words is "sixteen million, two hundred sixty-five thousand, seven hundred sixty-six".