123532782166 has 8 divisors (see below), whose sum is σ = 185314588200. Its totient is φ = 61761252768.

The previous prime is 123532782067. The next prime is 123532782169. The reversal of 123532782166 is 661287235321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123532782169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2539036 + ... + 2587231.

It is an arithmetic number, because the mean of its divisors is an integer number (23164323525).

Almost surely, 2^123532782166 is an apocalyptic number.

123532782166 is a deficient number, since it is larger than the sum of its proper divisors (61781806034).

123532782166 is a wasteful number, since it uses less digits than its factorization.

123532782166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138318.

The product of its digits is 725760, while the sum is 46.

The spelling of 123532782166 in words is "one hundred twenty-three billion, five hundred thirty-two million, seven hundred eighty-two thousand, one hundred sixty-six".