16264138 has 16 divisors (see below), whose sum is σ = 28180224. Its totient is φ = 6957760.

The previous prime is 16264111. The next prime is 16264139. The reversal of 16264138 is 83146261.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16264139) 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 7 ways as a sum of consecutive naturals, for example, 21370 + ... + 22117.

It is an arithmetic number, because the mean of its divisors is an integer number (1761264).

Almost surely, 2^16264138 is an apocalyptic number.

16264138 is a deficient number, since it is larger than the sum of its proper divisors (11916086).

16264138 is a wasteful number, since it uses less digits than its factorization.

16264138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43517.

The product of its digits is 6912, while the sum is 31.

The square root of 16264138 is about 4032.8820959706. The cubic root of 16264138 is about 253.3632863168.

The spelling of 16264138 in words is "sixteen million, two hundred sixty-four thousand, one hundred thirty-eight".