16265387 has 4 divisors (see below), whose sum is σ = 17121480. Its totient is φ = 15409296.

The previous prime is 16265377. The next prime is 16265399. The reversal of 16265387 is 78356261.

16265387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16265387 - 2⁶ = 16265323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16265387.

It is not an unprimeable number, because it can be changed into a prime (16265377) 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, 428018 + ... + 428055.

It is an arithmetic number, because the mean of its divisors is an integer number (4280370).

Almost surely, 2^16265387 is an apocalyptic number.

16265387 is a deficient number, since it is larger than the sum of its proper divisors (856093).

16265387 is an equidigital number, since it uses as much as digits as its factorization.

16265387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856092.

The product of its digits is 60480, while the sum is 38.

The square root of 16265387 is about 4033.0369450329. The cubic root of 16265387 is about 253.3697718054.

The spelling of 16265387 in words is "sixteen million, two hundred sixty-five thousand, three hundred eighty-seven".