166003910652 has 48 divisors (see below), whose sum is σ = 387979593120. Its totient is φ = 55243702272.

The previous prime is 166003910603. The next prime is 166003910687. The reversal of 166003910652 is 256019300661.

166003910652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 166003910652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20911228 + ... + 20919164.

It is an arithmetic number, because the mean of its divisors is an integer number (8082908190).

Almost surely, 2^166003910652 is an apocalyptic number.

166003910652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166003910652 is an abundant number, since it is smaller than the sum of its proper divisors (221975682468).

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

166003910652 is a wasteful number, since it uses less digits than its factorization.

166003910652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10590 (or 10588 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 166003910652 in words is "one hundred sixty-six billion, three million, nine hundred ten thousand, six hundred fifty-two".