166124046536223 has 12 divisors (see below), whose sum is σ = 224199540647640. Its totient is φ = 109415034652816.

The previous prime is 166124046536177. The next prime is 166124046536243. The reversal of 166124046536223 is 322635640421661.

It is not a de Polignac number, because 166124046536223 - 2¹⁰ = 166124046535199 is a prime.

It is a super-2 number, since 2×166124046536223² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166124046536243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4019044668 + ... + 4019086001.

It is an arithmetic number, because the mean of its divisors is an integer number (18683295053970).

Almost surely, 2^{166124046536223} is an apocalyptic number.

166124046536223 is a deficient number, since it is larger than the sum of its proper divisors (58075494111417).

166124046536223 is an frugal number, since it uses more digits than its factorization.

166124046536223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8038130838 (or 8038130755 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 51.

Adding to 166124046536223 its reverse (322635640421661), we get a palindrome (488759686957884).

The spelling of 166124046536223 in words is "one hundred sixty-six trillion, one hundred twenty-four billion, forty-six million, five hundred thirty-six thousand, two hundred twenty-three".