166473663365 has 8 divisors (see below), whose sum is σ = 200545706520. Its totient is φ = 132660723712.

The previous prime is 166473663341. The next prime is 166473663397. The reversal of 166473663365 is 563366374661.

It can be written as a sum of positive squares in 4 ways, for example, as 121713067876 + 44760595489 = 348874^2 + 211567^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 166473663365 - 2²⁴ = 166456886149 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 166473663365.

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, 64774460 + ... + 64777029.

It is an arithmetic number, because the mean of its divisors is an integer number (25068213315).

Almost surely, 2^166473663365 is an apocalyptic number.

It is an amenable number.

166473663365 is a deficient number, since it is larger than the sum of its proper divisors (34072043155).

166473663365 is a wasteful number, since it uses less digits than its factorization.

166473663365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129551751.

The product of its digits is 29393280, while the sum is 56.

The spelling of 166473663365 in words is "one hundred sixty-six billion, four hundred seventy-three million, six hundred sixty-three thousand, three hundred sixty-five".