166558573124 has 24 divisors (see below), whose sum is σ = 296601100320. Its totient is φ = 81827755776.

The previous prime is 166558573121. The next prime is 166558573141. The reversal of 166558573124 is 421375855661.

It is a happy number.

It is a super-2 number, since 2×166558573124² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166558573121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490222 + ... + 1598085.

It is an arithmetic number, because the mean of its divisors is an integer number (12358379180).

Almost surely, 2^166558573124 is an apocalyptic number.

It is an amenable number.

166558573124 is a deficient number, since it is larger than the sum of its proper divisors (130042527196).

166558573124 is a wasteful number, since it uses less digits than its factorization.

166558573124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088547 (or 3088545 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 53.

The spelling of 166558573124 in words is "one hundred sixty-six billion, five hundred fifty-eight million, five hundred seventy-three thousand, one hundred twenty-four".