4520343443166 has 72 divisors (see below), whose sum is σ = 10301027475024. Its totient is φ = 1429918237440.

The previous prime is 4520343443089. The next prime is 4520343443173. The reversal of 4520343443166 is 6613443430254.

It is a happy number.

4520343443166 is a `hidden beast` number, since 4 + 5 + 2 + 0 + 3 + 43 + 443 + 166 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6338926 + ... + 7015886.

It is an arithmetic number, because the mean of its divisors is an integer number (143069826042).

Almost surely, 2^{4520343443166} is an apocalyptic number.

4520343443166 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4520343443166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5150513737512).

4520343443166 is an abundant number, since it is smaller than the sum of its proper divisors (5780684031858).

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

4520343443166 is a wasteful number, since it uses less digits than its factorization.

4520343443166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677246 (or 677116 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

The spelling of 4520343443166 in words is "four trillion, five hundred twenty billion, three hundred forty-three million, four hundred forty-three thousand, one hundred sixty-six".