166514652612 has 288 divisors, whose sum is σ = 545113820160. Its totient is φ = 43178728320.

The previous prime is 166514652607. The next prime is 166514652613. The reversal of 166514652612 is 216256415661.

166514652612 is a `hidden beast` number, since 1 + 66 + 51 + 4 + 6 + 526 + 12 = 666.

166514652612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166514652613) 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 95 ways as a sum of consecutive naturals, for example, 56655439 + ... + 56658377.

It is an arithmetic number, because the mean of its divisors is an integer number (1892756320).

Almost surely, 2^166514652612 is an apocalyptic number.

166514652612 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 166514652612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272556910080).

166514652612 is an abundant number, since it is smaller than the sum of its proper divisors (378599167548).

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

166514652612 is a wasteful number, since it uses less digits than its factorization.

166514652612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733 (or 3719 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The spelling of 166514652612 in words is "one hundred sixty-six billion, five hundred fourteen million, six hundred fifty-two thousand, six hundred twelve".