166036342236 has 24 divisors (see below), whose sum is σ = 387428832000. Its totient is φ = 55343918832.

The previous prime is 166036342163. The next prime is 166036342247. The reversal of 166036342236 is 632243630661.

It is a super-2 number, since 2×166036342236² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315165 + ... + 656811.

It is an arithmetic number, because the mean of its divisors is an integer number (16142868000).

Almost surely, 2^166036342236 is an apocalyptic number.

It is an amenable number.

166036342236 is an abundant number, since it is smaller than the sum of its proper divisors (221392489764).

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

166036342236 is a wasteful number, since it uses less digits than its factorization.

166036342236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382153 (or 382151 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 42.

Adding to 166036342236 its reverse (632243630661), we get a palindrome (798279972897).

The spelling of 166036342236 in words is "one hundred sixty-six billion, thirty-six million, three hundred forty-two thousand, two hundred thirty-six".