321045166053 has 6 divisors (see below), whose sum is σ = 463731906534. Its totient is φ = 214030110696.

The previous prime is 321045166037. The next prime is 321045166061. The reversal of 321045166053 is 350661540123.

321045166053 is a `hidden beast` number, since 3 + 2 + 1 + 0 + 45 + 1 + 6 + 605 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 269155515204 + 51889650849 = 518802^2 + 227793^2 .

It is not a de Polignac number, because 321045166053 - 2⁴ = 321045166037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321045165999 and 321045166017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321045156053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17835842550 + ... + 17835842567.

It is an arithmetic number, because the mean of its divisors is an integer number (77288651089).

Almost surely, 2^321045166053 is an apocalyptic number.

It is an amenable number.

321045166053 is a deficient number, since it is larger than the sum of its proper divisors (142686740481).

321045166053 is a wasteful number, since it uses less digits than its factorization.

321045166053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35671685123 (or 35671685120 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 321045166053 in words is "three hundred twenty-one billion, forty-five million, one hundred sixty-six thousand, fifty-three".