18258337986460 has 144 divisors (see below), whose sum is σ = 47360351158848. Its totient is φ = 5862208619520.

The previous prime is 18258337986451. The next prime is 18258337986467. The reversal of 18258337986460 is 6468973385281.

It is a self number, because there is not a number n which added to its sum of digits gives 18258337986460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18258337986467) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11893089 + ... + 13340248.

It is an arithmetic number, because the mean of its divisors is an integer number (328891327492).

It is a 1-persistent number, because it is pandigital, but 2⋅18258337986460 = 36516675972920 is not.

Almost surely, 2^{18258337986460} is an apocalyptic number.

18258337986460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18258337986460 is an abundant number, since it is smaller than the sum of its proper divisors (29102013172388).

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

18258337986460 is a wasteful number, since it uses less digits than its factorization.

18258337986460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25233404 (or 25233391 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 70.

The spelling of 18258337986460 in words is "eighteen trillion, two hundred fifty-eight billion, three hundred thirty-seven million, nine hundred eighty-six thousand, four hundred sixty".