18061048 has 16 divisors (see below), whose sum is σ = 33930000. Its totient is φ = 9013056.

The previous prime is 18061009. The next prime is 18061061. The reversal of 18061048 is 84016081.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2908 + ... + 6676.

It is an arithmetic number, because the mean of its divisors is an integer number (2120625).

Almost surely, 2^18061048 is an apocalyptic number.

It is an amenable number.

18061048 is a deficient number, since it is larger than the sum of its proper divisors (15868952).

18061048 is a wasteful number, since it uses less digits than its factorization.

18061048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374 (or 4370 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 18061048 is about 4249.8291730374. The cubic root of 18061048 is about 262.3700847688.

The spelling of 18061048 in words is "eighteen million, sixty-one thousand, forty-eight".