320546746554 has 8 divisors (see below), whose sum is σ = 641093493120. Its totient is φ = 106848915516.

The previous prime is 320546746549. The next prime is 320546746567. The reversal of 320546746554 is 455647645023.

It is a sphenic number, since it is the product of 3 distinct primes.

320546746554 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 320546746497 and 320546746506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26712228874 + ... + 26712228885.

It is an arithmetic number, because the mean of its divisors is an integer number (80136686640).

Almost surely, 2^320546746554 is an apocalyptic number.

320546746554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

320546746554 is a wasteful number, since it uses less digits than its factorization.

320546746554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53424457764.

The product of its (nonzero) digits is 12096000, while the sum is 51.

The spelling of 320546746554 in words is "three hundred twenty billion, five hundred forty-six million, seven hundred forty-six thousand, five hundred fifty-four".