243666796634 has 8 divisors (see below), whose sum is σ = 365510734848. Its totient is φ = 121829885020.

The previous prime is 243666796603. The next prime is 243666796661. The reversal of 243666796634 is 436697666342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×243666796634² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669082 + ... + 1809189.

It is an arithmetic number, because the mean of its divisors is an integer number (45688841856).

Almost surely, 2^243666796634 is an apocalyptic number.

243666796634 is a deficient number, since it is larger than the sum of its proper divisors (121843938214).

243666796634 is a wasteful number, since it uses less digits than its factorization.

243666796634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513300.

The product of its digits is 141087744, while the sum is 62.

The spelling of 243666796634 in words is "two hundred forty-three billion, six hundred sixty-six million, seven hundred ninety-six thousand, six hundred thirty-four".