166324463660 has 192 divisors, whose sum is σ = 409232839680. Its totient is φ = 56320450560.

The previous prime is 166324463659. The next prime is 166324463663. The reversal of 166324463660 is 66364423661.

It is not an unprimeable number, because it can be changed into a prime (166324463663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20351375 + ... + 20359545.

It is an arithmetic number, because the mean of its divisors is an integer number (2131421040).

Almost surely, 2^166324463660 is an apocalyptic number.

166324463660 is a gapful number since it is divisible by the number (10) 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 166324463660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204616419840).

166324463660 is an abundant number, since it is smaller than the sum of its proper divisors (242908376020).

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

166324463660 is a wasteful number, since it uses less digits than its factorization.

166324463660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8376 (or 8374 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 47.

The spelling of 166324463660 in words is "one hundred sixty-six billion, three hundred twenty-four million, four hundred sixty-three thousand, six hundred sixty".