166346306260000 has 60 divisors (see below), whose sum is σ = 409236865394742. Its totient is φ = 66538522496000.

The previous prime is 166346306259989. The next prime is 166346306260027. The reversal of 166346306260000 is 62603643661.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 11292906482064 + 155053399777936 = 3360492^2 + 12452044^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4158637657 + ... + 4158677656.

Almost surely, 2^{166346306260000} is an apocalyptic number.

166346306260000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166346306260000 is an abundant number, since it is smaller than the sum of its proper divisors (242890559134742).

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

166346306260000 is an frugal number, since it uses more digits than its factorization.

166346306260000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8317315343 (or 8317315320 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 166346306260000 in words is "one hundred sixty-six trillion, three hundred forty-six billion, three hundred six million, two hundred sixty thousand".