166849386356 has 12 divisors (see below), whose sum is σ = 292007304960. Its totient is φ = 83418727800.

The previous prime is 166849386287. The next prime is 166849386367. The reversal of 166849386356 is 653683948661.

It is a junction number, because it is equal to n+sod(n) for n = 166849386292 and 166849386301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428116 + ... + 1540523.

It is an arithmetic number, because the mean of its divisors is an integer number (24333942080).

Almost surely, 2^166849386356 is an apocalyptic number.

It is an amenable number.

166849386356 is a deficient number, since it is larger than the sum of its proper divisors (125157918604).

166849386356 is a wasteful number, since it uses less digits than its factorization.

166849386356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982694 (or 2982692 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 65.

The spelling of 166849386356 in words is "one hundred sixty-six billion, eight hundred forty-nine million, three hundred eighty-six thousand, three hundred fifty-six".