320646236522 has 8 divisors (see below), whose sum is σ = 480979096416. Its totient is φ = 160319871052.

The previous prime is 320646236483. The next prime is 320646236609. The reversal of 320646236522 is 225632646023.

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

It is a self number, because there is not a number n which added to its sum of digits gives 320646236522.

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, 1498238 + ... + 1698825.

It is an arithmetic number, because the mean of its divisors is an integer number (60122387052).

Almost surely, 2^320646236522 is an apocalyptic number.

320646236522 is a deficient number, since it is larger than the sum of its proper divisors (160332859894).

320646236522 is a wasteful number, since it uses less digits than its factorization.

320646236522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247212.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 320646236522 in words is "three hundred twenty billion, six hundred forty-six million, two hundred thirty-six thousand, five hundred twenty-two".