320164525621336 has 32 divisors (see below), whose sum is σ = 654886941281280. Its totient is φ = 145528228260000.

The previous prime is 320164525621309. The next prime is 320164525621349. The reversal of 320164525621336 is 633126525461023.

It is a self number, because there is not a number n which added to its sum of digits gives 320164525621336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021136 + ... + 25385311.

It is an arithmetic number, because the mean of its divisors is an integer number (20465216915040).

Almost surely, 2^{320164525621336} is an apocalyptic number.

It is an amenable number.

320164525621336 is an abundant number, since it is smaller than the sum of its proper divisors (334722415659944).

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

320164525621336 is a wasteful number, since it uses less digits than its factorization.

320164525621336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27539215 (or 27539211 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 320164525621336 in words is "three hundred twenty trillion, one hundred sixty-four billion, five hundred twenty-five million, six hundred twenty-one thousand, three hundred thirty-six".