2146335660066 has 64 divisors (see below), whose sum is σ = 4895869805568. Its totient is φ = 622269096768.

The previous prime is 2146335660023. The next prime is 2146335660071. The reversal of 2146335660066 is 6600665336412.

It is a junction number, because it is equal to n+sod(n) for n = 2146335659997 and 2146335660024.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8808136 + ... + 9048531.

It is an arithmetic number, because the mean of its divisors is an integer number (76497965712).

Almost surely, 2^{2146335660066} is an apocalyptic number.

2146335660066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2146335660066 is an abundant number, since it is smaller than the sum of its proper divisors (2749534145502).

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

2146335660066 is a wasteful number, since it uses less digits than its factorization.

2146335660066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17856775.

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 2146335660066 in words is "two trillion, one hundred forty-six billion, three hundred thirty-five million, six hundred sixty thousand, sixty-six".