166795058881 has 12 divisors (see below), whose sum is σ = 183349739776. Its totient is φ = 151621101720.

The previous prime is 166795058873. The next prime is 166795058939. The reversal of 166795058881 is 188850597661.

It is a happy number.

166795058881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166795058881 - 2³ = 166795058873 is a prime.

It is a super-2 number, since 2×166795058881² (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 (166795058821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2022256 + ... + 2103118.

Almost surely, 2^166795058881 is an apocalyptic number.

166795058881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

166795058881 is a deficient number, since it is larger than the sum of its proper divisors (16554680895).

166795058881 is a wasteful number, since it uses less digits than its factorization.

166795058881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97932 (or 97921 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 64.

The spelling of 166795058881 in words is "one hundred sixty-six billion, seven hundred ninety-five million, fifty-eight thousand, eight hundred eighty-one".