243166166364 has 48 divisors (see below), whose sum is σ = 618999131520. Its totient is φ = 73683061440.

The previous prime is 243166166317. The next prime is 243166166371. The reversal of 243166166364 is 463661661342.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

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, 3931027 + ... + 3992405.

It is an arithmetic number, because the mean of its divisors is an integer number (12895815240).

Almost surely, 2^243166166364 is an apocalyptic number.

It is an amenable number.

243166166364 is an abundant number, since it is smaller than the sum of its proper divisors (375832965156).

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

243166166364 is a wasteful number, since it uses less digits than its factorization.

243166166364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91410 (or 91408 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 48.

The spelling of 243166166364 in words is "two hundred forty-three billion, one hundred sixty-six million, one hundred sixty-six thousand, three hundred sixty-four".