320468808197 has 8 divisors (see below), whose sum is σ = 326004129432. Its totient is φ = 314979808000.

The previous prime is 320468808167. The next prime is 320468808223. The reversal of 320468808197 is 791808864023.

It can be written as a sum of positive squares in 4 ways, for example, as 219399496801 + 101069311396 = 468401^2 + 317914^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 320468808197 - 2²⁰ = 320467759621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320468808167) 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, 11566304 + ... + 11593977.

It is an arithmetic number, because the mean of its divisors is an integer number (40750516179).

Almost surely, 2^320468808197 is an apocalyptic number.

It is an amenable number.

320468808197 is a deficient number, since it is larger than the sum of its proper divisors (5535321235).

320468808197 is a wasteful number, since it uses less digits than its factorization.

320468808197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23160519.

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 320468808197 in words is "three hundred twenty billion, four hundred sixty-eight million, eight hundred eight thousand, one hundred ninety-seven".