166055606200260 has 288 divisors, whose sum is σ = 584019678977280. Its totient is φ = 37406578692096.

The previous prime is 166055606200249. The next prime is 166055606200273. The reversal of 166055606200260 is 62002606550661.

It is a happy number.

166055606200260 is a `hidden beast` number, since 1 + 6 + 6 + 0 + 5 + 560 + 6 + 20 + 0 + 2 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40832104 + ... + 44714336.

It is an arithmetic number, because the mean of its divisors is an integer number (2027846107560).

Almost surely, 2^{166055606200260} is an apocalyptic number.

166055606200260 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 166055606200260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292009839488640).

166055606200260 is an abundant number, since it is smaller than the sum of its proper divisors (417964072777020).

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

166055606200260 is a wasteful number, since it uses less digits than its factorization.

166055606200260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882747 (or 3882742 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 166055606200260 in words is "one hundred sixty-six trillion, fifty-five billion, six hundred six million, two hundred thousand, two hundred sixty".