373021666322 has 6 divisors (see below), whose sum is σ = 559533795093. Its totient is φ = 186510401292.

The previous prime is 373021666321. The next prime is 373021666427. The reversal of 373021666322 is 223666120373.

It can be written as a sum of positive squares in 2 ways, for example, as 357067197601 + 15954468721 = 597551^2 + 126311^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=431869.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 373021666322.

It is not an unprimeable number, because it can be changed into a prime (373021666321) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 647804 + ... + 1079672.

Almost surely, 2^373021666322 is an apocalyptic number.

373021666322 is a deficient number, since it is larger than the sum of its proper divisors (186512128771).

373021666322 is an frugal number, since it uses more digits than its factorization.

373021666322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863740 (or 431871 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 41.

Adding to 373021666322 its reverse (223666120373), we get a palindrome (596687786695).

The spelling of 373021666322 in words is "three hundred seventy-three billion, twenty-one million, six hundred sixty-six thousand, three hundred twenty-two".