320206344466662 has 160 divisors (see below), whose sum is σ = 741759452058240. Its totient is φ = 103166740039680.

The previous prime is 320206344466651. The next prime is 320206344466703. The reversal of 320206344466662 is 266664443602023.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 320206344466599 and 320206344466608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 590551603 + ... + 591093569.

It is an arithmetic number, because the mean of its divisors is an integer number (4635996575364).

Almost surely, 2^{320206344466662} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320206344466662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370879726029120).

320206344466662 is an abundant number, since it is smaller than the sum of its proper divisors (421553107591578).

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

320206344466662 is a wasteful number, since it uses less digits than its factorization.

320206344466662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542668 (or 542659 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 54.

The spelling of 320206344466662 in words is "three hundred twenty trillion, two hundred six billion, three hundred forty-four million, four hundred sixty-six thousand, six hundred sixty-two".