18348642322956 has 144 divisors (see below), whose sum is σ = 51088801196160. Its totient is φ = 5506429167360.

The previous prime is 18348642322949. The next prime is 18348642322957. The reversal of 18348642322956 is 65922324684381.

18348642322956 is a `hidden beast` number, since 1 + 8 + 3 + 486 + 42 + 3 + 22 + 95 + 6 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18348642322893 and 18348642322902.

It is not an unprimeable number, because it can be changed into a prime (18348642322957) 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, 22327995 + ... + 23135181.

It is an arithmetic number, because the mean of its divisors is an integer number (354783341640).

Almost surely, 2^{18348642322956} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18348642322956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25544400598080).

18348642322956 is an abundant number, since it is smaller than the sum of its proper divisors (32740158873204).

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

18348642322956 is a wasteful number, since it uses less digits than its factorization.

18348642322956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807764 (or 807759 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 63.

The spelling of 18348642322956 in words is "eighteen trillion, three hundred forty-eight billion, six hundred forty-two million, three hundred twenty-two thousand, nine hundred fifty-six".