16266243 has 8 divisors (see below), whose sum is σ = 24786688. Its totient is φ = 9294984.

The previous prime is 16266209. The next prime is 16266251. The reversal of 16266243 is 34266261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16266243 - 2⁸ = 16265987 is a prime.

It is a super-2 number, since 2×16266243² = 529181322670098, which contains 22 as substring.

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 16266243.

It is not an unprimeable number, because it can be changed into a prime (16266203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387271 + ... + 387312.

It is an arithmetic number, because the mean of its divisors is an integer number (3098336).

Almost surely, 2^16266243 is an apocalyptic number.

16266243 is a deficient number, since it is larger than the sum of its proper divisors (8520445).

16266243 is an equidigital number, since it uses as much as digits as its factorization.

16266243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774593.

The product of its digits is 10368, while the sum is 30.

The square root of 16266243 is about 4033.1430671376. The cubic root of 16266243 is about 253.3742164321.

The spelling of 16266243 in words is "sixteen million, two hundred sixty-six thousand, two hundred forty-three".