18069601 has 8 divisors (see below), whose sum is σ = 19839744. Its totient is φ = 16320720.

The previous prime is 18069593. The next prime is 18069613. The reversal of 18069601 is 10696081.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 18069601 - 2³ = 18069593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18069641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3505 + ... + 6958.

It is an arithmetic number, because the mean of its divisors is an integer number (2479968).

Almost surely, 2^18069601 is an apocalyptic number.

18069601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18069601 is a deficient number, since it is larger than the sum of its proper divisors (1770143).

18069601 is a wasteful number, since it uses less digits than its factorization.

18069601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10631.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 18069601 is about 4250.8353296735. The cubic root of 18069601 is about 262.4114942742.

The spelling of 18069601 in words is "eighteen million, sixty-nine thousand, six hundred one".