166558564552060 has 24 divisors (see below), whose sum is σ = 350102649115296. Its totient is φ = 66560632762560.

The previous prime is 166558564552057. The next prime is 166558564552109. The reversal of 166558564552060 is 60255465855661.

It is a junction number, because it is equal to n+sod(n) for n = 166558564551983 and 166558564552001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3924544392 + ... + 3924586831.

It is an arithmetic number, because the mean of its divisors is an integer number (14587610379804).

Almost surely, 2^{166558564552060} is an apocalyptic number.

166558564552060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166558564552060 is an abundant number, since it is smaller than the sum of its proper divisors (183544084563236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166558564552060 is a wasteful number, since it uses less digits than its factorization.

166558564552060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849132293 (or 7849132291 counting only the distinct ones).

The product of its (nonzero) digits is 259200000, while the sum is 64.

The spelling of 166558564552060 in words is "one hundred sixty-six trillion, five hundred fifty-eight billion, five hundred sixty-four million, five hundred fifty-two thousand, sixty".