18634433157348 has 48 divisors (see below), whose sum is σ = 44492491982400. Its totient is φ = 6066891500544.

The previous prime is 18634433157281. The next prime is 18634433157367. The reversal of 18634433157348 is 84375133443681.

It is a junction number, because it is equal to n+sod(n) for n = 18634433157291 and 18634433157300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24652128 + ... + 25396776.

It is an arithmetic number, because the mean of its divisors is an integer number (926926916300).

Almost surely, 2^{18634433157348} is an apocalyptic number.

It is an amenable number.

18634433157348 is an abundant number, since it is smaller than the sum of its proper divisors (25858058825052).

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

18634433157348 is a wasteful number, since it uses less digits than its factorization.

18634433157348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793196 (or 793194 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 60.

The spelling of 18634433157348 in words is "eighteen trillion, six hundred thirty-four billion, four hundred thirty-three million, one hundred fifty-seven thousand, three hundred forty-eight".