166966745346 has 24 divisors (see below), whose sum is σ = 361768971564. Its totient is φ = 55654398720.

The previous prime is 166966745339. The next prime is 166966745357. The reversal of 166966745346 is 643547669661.

166966745346 is a `hidden beast` number, since 1 + 6 + 6 + 96 + 6 + 7 + 4 + 534 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 143026919721 + 23939825625 = 378189^2 + 154725^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1335550 + ... + 1455206.

Almost surely, 2^166966745346 is an apocalyptic number.

166966745346 is an abundant number, since it is smaller than the sum of its proper divisors (194802226218).

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

166966745346 is a wasteful number, since it uses less digits than its factorization.

166966745346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197186 (or 197183 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 63.

The spelling of 166966745346 in words is "one hundred sixty-six billion, nine hundred sixty-six million, seven hundred forty-five thousand, three hundred forty-six".