166850168356 has 6 divisors (see below), whose sum is σ = 291987794630. Its totient is φ = 83425084176.

The previous prime is 166850168351. The next prime is 166850168357. The reversal of 166850168356 is 653861058661.

It can be written as a sum of positive squares in only one way, i.e., 137073214756 + 29776953600 = 370234^2 + 172560^2 .

It is a junction number, because it is equal to n+sod(n) for n = 166850168297 and 166850168306.

It is not an unprimeable number, because it can be changed into a prime (166850168351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20856271041 + ... + 20856271048.

Almost surely, 2^166850168356 is an apocalyptic number.

It is an amenable number.

166850168356 is a deficient number, since it is larger than the sum of its proper divisors (125137626274).

166850168356 is a wasteful number, since it uses less digits than its factorization.

166850168356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41712542093 (or 41712542091 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 166850168356 in words is "one hundred sixty-six billion, eight hundred fifty million, one hundred sixty-eight thousand, three hundred fifty-six".