18064867 has 8 divisors (see below), whose sum is σ = 19079424. Its totient is φ = 17069448.

The previous prime is 18064831. The next prime is 18064889. The reversal of 18064867 is 76846081.

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

It is not a de Polignac number, because 18064867 - 2¹¹ = 18062819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18064807) 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, 2823 + ... + 6640.

It is an arithmetic number, because the mean of its divisors is an integer number (2384928).

Almost surely, 2^18064867 is an apocalyptic number.

18064867 is a deficient number, since it is larger than the sum of its proper divisors (1014557).

18064867 is an equidigital number, since it uses as much as digits as its factorization.

18064867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9569.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 18064867 is about 4250.2784614658. The cubic root of 18064867 is about 262.3885761420.

The spelling of 18064867 in words is "eighteen million, sixty-four thousand, eight hundred sixty-seven".