16261867 has 4 divisors (see below), whose sum is σ = 16271136. Its totient is φ = 16252600.

The previous prime is 16261849. The next prime is 16261873. The reversal of 16261867 is 76816261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 76816261 = 3187 ⋅24103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16261867 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (16265867) 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 3 ways as a sum of consecutive naturals, for example, 1108 + ... + 5809.

It is an arithmetic number, because the mean of its divisors is an integer number (4067784).

Almost surely, 2^16261867 is an apocalyptic number.

16261867 is a deficient number, since it is larger than the sum of its proper divisors (9269).

16261867 is an equidigital number, since it uses as much as digits as its factorization.

16261867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9268.

The product of its digits is 24192, while the sum is 37.

The square root of 16261867 is about 4032.6005257154. The cubic root of 16261867 is about 253.3514931965.

The spelling of 16261867 in words is "sixteen million, two hundred sixty-one thousand, eight hundred sixty-seven".