166883688196 has 27 divisors (see below), whose sum is σ = 294144562047. Its totient is φ = 82846639200.

The previous prime is 166883688131. The next prime is 166883688217. The reversal of 166883688196 is 691886388661.

The square root of 166883688196 is 408514.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 111910320900 + 54973367296 = 334530^2 + 234464^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 128272746 + ... + 128274046.

Almost surely, 2^166883688196 is an apocalyptic number.

166883688196 is the 408514-th square number.

It is an amenable number.

166883688196 is a deficient number, since it is larger than the sum of its proper divisors (127260873851).

166883688196 is an frugal number, since it uses more digits than its factorization.

166883688196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920 (or 1460 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 70.

The spelling of 166883688196 in words is "one hundred sixty-six billion, eight hundred eighty-three million, six hundred eighty-eight thousand, one hundred ninety-six".