166606151052 has 96 divisors (see below), whose sum is σ = 436370022144. Its totient is φ = 49043488000.

The previous prime is 166606151051. The next prime is 166606151099. The reversal of 166606151052 is 250151606661.

It is a self number, because there is not a number n which added to its sum of digits gives 166606151052.

It is not an unprimeable number, because it can be changed into a prime (166606151051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 588703 + ... + 824489.

It is an arithmetic number, because the mean of its divisors is an integer number (4545521064).

Almost surely, 2^166606151052 is an apocalyptic number.

166606151052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166606151052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218185011072).

166606151052 is an abundant number, since it is smaller than the sum of its proper divisors (269763871092).

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

166606151052 is a wasteful number, since it uses less digits than its factorization.

166606151052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235959 (or 235957 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 166606151052 in words is "one hundred sixty-six billion, six hundred six million, one hundred fifty-one thousand, fifty-two".