18116967 has 24 divisors (see below), whose sum is σ = 27483120. Its totient is φ = 10595200.

The previous prime is 18116963. The next prime is 18116977. The reversal of 18116967 is 76961181.

It is not a de Polignac number, because 18116967 - 2² = 18116963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18116963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9667 + ... + 11387.

It is an arithmetic number, because the mean of its divisors is an integer number (1145130).

Almost surely, 2^18116967 is an apocalyptic number.

18116967 is a deficient number, since it is larger than the sum of its proper divisors (9366153).

18116967 is a wasteful number, since it uses less digits than its factorization.

18116967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775 (or 1764 counting only the distinct ones).

The product of its digits is 18144, while the sum is 39.

The square root of 18116967 is about 4256.4030589219. The cubic root of 18116967 is about 262.6405813878.

It can be divided in two parts, 1811 and 6967, that added together give a palindrome (8778).

The spelling of 18116967 in words is "eighteen million, one hundred sixteen thousand, nine hundred sixty-seven".