166234157712 has 240 divisors, whose sum is σ = 555091555200. Its totient is φ = 47175561216.

The previous prime is 166234157711. The next prime is 166234157729. The reversal of 166234157712 is 217751432661.

166234157712 is a `hidden beast` number, since 1 + 6 + 6 + 23 + 41 + 577 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (166234157711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4034688 + ... + 4075680.

It is an arithmetic number, because the mean of its divisors is an integer number (2312881480).

Almost surely, 2^166234157712 is an apocalyptic number.

166234157712 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 166234157712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277545777600).

166234157712 is an abundant number, since it is smaller than the sum of its proper divisors (388857397488).

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

166234157712 is a wasteful number, since it uses less digits than its factorization.

166234157712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41172 (or 41154 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 166234157712 in words is "one hundred sixty-six billion, two hundred thirty-four million, one hundred fifty-seven thousand, seven hundred twelve".