18073737486 has 24 divisors (see below), whose sum is σ = 44754016944. Its totient is φ = 5163924960.

The previous prime is 18073737481. The next prime is 18073737499. The reversal of 18073737486 is 68473737081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18073737481) 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, 71721055 + ... + 71721306.

It is an arithmetic number, because the mean of its divisors is an integer number (1864750706).

Almost surely, 2^18073737486 is an apocalyptic number.

18073737486 is an abundant number, since it is smaller than the sum of its proper divisors (26680279458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18073737486 is a wasteful number, since it uses less digits than its factorization.

18073737486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143442376 (or 143442373 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 18073737486 in words is "eighteen billion, seventy-three million, seven hundred thirty-seven thousand, four hundred eighty-six".