32166405122236 has 192 divisors, whose sum is σ = 76426159703040. Its totient is φ = 11468494080000.

The previous prime is 32166405122207. The next prime is 32166405122333. The reversal of 32166405122236 is 63222150466123.

It is a junction number, because it is equal to n+sod(n) for n = 32166405122192 and 32166405122201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23569446 + ... + 24896818.

It is an arithmetic number, because the mean of its divisors is an integer number (398052915120).

Almost surely, 2^{32166405122236} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32166405122236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38213079851520).

32166405122236 is an abundant number, since it is smaller than the sum of its proper divisors (44259754580804).

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

32166405122236 is a wasteful number, since it uses less digits than its factorization.

32166405122236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327556 (or 1327554 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

Adding to 32166405122236 its reverse (63222150466123), we get a palindrome (95388555588359).

The spelling of 32166405122236 in words is "thirty-two trillion, one hundred sixty-six billion, four hundred five million, one hundred twenty-two thousand, two hundred thirty-six".