18059061 has 12 divisors (see below), whose sum is σ = 24553088. Its totient is φ = 11806704.

The previous prime is 18059059. The next prime is 18059077. The reversal of 18059061 is 16095081.

It is a happy number.

It is not a de Polignac number, because 18059061 - 2¹ = 18059059 is a prime.

It is a super-2 number, since 2×18059061² = 652259368403442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18059021) 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 11 ways as a sum of consecutive naturals, for example, 7356 + ... + 9498.

Almost surely, 2^18059061 is an apocalyptic number.

It is an amenable number.

18059061 is a deficient number, since it is larger than the sum of its proper divisors (6494027).

18059061 is an equidigital number, since it uses as much as digits as its factorization.

18059061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252 (or 2199 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 18059061 is about 4249.5953925050. The cubic root of 18059061 is about 262.3604628008.

The spelling of 18059061 in words is "eighteen million, fifty-nine thousand, sixty-one".