18080951 has 12 divisors (see below), whose sum is σ = 22141080. Its totient is φ = 14681520.

The previous prime is 18080939. The next prime is 18080957. The reversal of 18080951 is 15908081.

It is a happy number.

It is not a de Polignac number, because 18080951 - 2¹⁴ = 18064567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18080957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8780 + ... + 10641.

It is an arithmetic number, because the mean of its divisors is an integer number (1845090).

Almost surely, 2^18080951 is an apocalyptic number.

18080951 is a deficient number, since it is larger than the sum of its proper divisors (4060129).

18080951 is a wasteful number, since it uses less digits than its factorization.

18080951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19454 (or 19447 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 18080951 is about 4252.1701518166. The cubic root of 18080951 is about 262.4664253355.

The spelling of 18080951 in words is "eighteen million, eighty thousand, nine hundred fifty-one".