166023504366244 has 96 divisors (see below), whose sum is σ = 354461684774400. Its totient is φ = 66419744581632.

The previous prime is 166023504366241. The next prime is 166023504366277. The reversal of 166023504366244 is 442663405320661.

It is a junction number, because it is equal to n+sod(n) for n = 166023504366191 and 166023504366200.

It is not an unprimeable number, because it can be changed into a prime (166023504366241) 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, 46286697 + ... + 49744399.

It is an arithmetic number, because the mean of its divisors is an integer number (3692309216400).

Almost surely, 2^{166023504366244} is an apocalyptic number.

166023504366244 is a gapful number since it is divisible by the number (14) 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 166023504366244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177230842387200).

166023504366244 is an abundant number, since it is smaller than the sum of its proper divisors (188438180408156).

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

166023504366244 is a wasteful number, since it uses less digits than its factorization.

166023504366244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458557 (or 3458555 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 52.

The spelling of 166023504366244 in words is "one hundred sixty-six trillion, twenty-three billion, five hundred four million, three hundred sixty-six thousand, two hundred forty-four".