18061486 has 16 divisors (see below), whose sum is σ = 28366848. Its totient is φ = 8608600.

The previous prime is 18061481. The next prime is 18061487. The reversal of 18061486 is 68416081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18061481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19371 + ... + 20281.

It is an arithmetic number, because the mean of its divisors is an integer number (1772928).

Almost surely, 2^18061486 is an apocalyptic number.

18061486 is a deficient number, since it is larger than the sum of its proper divisors (10305362).

18061486 is a wasteful number, since it uses less digits than its factorization.

18061486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 18061486 is about 4249.8807042081. The cubic root of 18061486 is about 262.3722056713.

The spelling of 18061486 in words is "eighteen million, sixty-one thousand, four hundred eighty-six".