166386433174410 has 128 divisors (see below), whose sum is σ = 423002465706240. Its totient is φ = 41769182822400.

The previous prime is 166386433174343. The next prime is 166386433174417. The reversal of 166386433174410 is 14471334683661.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (166386433174417) 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, 96060430 + ... + 97777190.

It is an arithmetic number, because the mean of its divisors is an integer number (3304706763330).

Almost surely, 2^{166386433174410} is an apocalyptic number.

166386433174410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166386433174410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211501232853120).

166386433174410 is an abundant number, since it is smaller than the sum of its proper divisors (256616032531830).

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

166386433174410 is a wasteful number, since it uses less digits than its factorization.

166386433174410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717864.

The product of its (nonzero) digits is 20901888, while the sum is 57.

The spelling of 166386433174410 in words is "one hundred sixty-six trillion, three hundred eighty-six billion, four hundred thirty-three million, one hundred seventy-four thousand, four hundred ten".