18058495 has 48 divisors (see below), whose sum is σ = 27827712. Its totient is φ = 11007360.

The previous prime is 18058487. The next prime is 18058499. The reversal of 18058495 is 59485081.

It is not a de Polignac number, because 18058495 - 2³ = 18058487 is a prime.

It is a super-2 number, since 2×18058495² = 652218483330050, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18058499) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 254310 + ... + 254380.

It is an arithmetic number, because the mean of its divisors is an integer number (579744).

Almost surely, 2^18058495 is an apocalyptic number.

18058495 is a deficient number, since it is larger than the sum of its proper divisors (9769217).

18058495 is a wasteful number, since it uses less digits than its factorization.

18058495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 18058495 is about 4249.5287974080. The cubic root of 18058495 is about 262.3577218393.

The spelling of 18058495 in words is "eighteen million, fifty-eight thousand, four hundred ninety-five".