166475424196 has 9 divisors (see below), whose sum is σ = 291333420399. Its totient is φ = 83237304084.

The previous prime is 166475424191. The next prime is 166475424211. The reversal of 166475424196 is 691424574661.

The square root of 166475424196 is 408014.

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

It is a super-2 number, since 2×166475424196² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166475424191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 714025 + ... + 918031.

Almost surely, 2^166475424196 is an apocalyptic number.

166475424196 is the 408014-th square number.

It is an amenable number.

166475424196 is a deficient number, since it is larger than the sum of its proper divisors (124857996203).

166475424196 is an frugal number, since it uses more digits than its factorization.

166475424196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408018 (or 204009 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The spelling of 166475424196 in words is "one hundred sixty-six billion, four hundred seventy-five million, four hundred twenty-four thousand, one hundred ninety-six".