18403743151068 has 24 divisors (see below), whose sum is σ = 46845891657600. Its totient is φ = 5576891863920.

The previous prime is 18403743151063. The next prime is 18403743151097. The reversal of 18403743151068 is 86015134730481.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 18403743151068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18403743151063) 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, 69711148168 + ... + 69711148431.

It is an arithmetic number, because the mean of its divisors is an integer number (1951912152400).

Almost surely, 2^{18403743151068} is an apocalyptic number.

It is an amenable number.

18403743151068 is an abundant number, since it is smaller than the sum of its proper divisors (28442148506532).

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

18403743151068 is a wasteful number, since it uses less digits than its factorization.

18403743151068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139422296617 (or 139422296615 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 18403743151068 in words is "eighteen trillion, four hundred three billion, seven hundred forty-three million, one hundred fifty-one thousand, sixty-eight".