18348642322958 has 16 divisors (see below), whose sum is σ = 27592292976000. Its totient is φ = 9151240238712.

The previous prime is 18348642322957. The next prime is 18348642322973. The reversal of 18348642322958 is 85922324684381.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18348642322894 and 18348642322903.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5956538 + ... + 8495741.

It is an arithmetic number, because the mean of its divisors is an integer number (1724518311000).

Almost surely, 2^{18348642322958} is an apocalyptic number.

18348642322958 is a deficient number, since it is larger than the sum of its proper divisors (9243650653042).

18348642322958 is a wasteful number, since it uses less digits than its factorization.

18348642322958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14453879.

The product of its digits is 159252480, while the sum is 65.

The spelling of 18348642322958 in words is "eighteen trillion, three hundred forty-eight billion, six hundred forty-two million, three hundred twenty-two thousand, nine hundred fifty-eight".