166432632200 has 48 divisors (see below), whose sum is σ = 403780049280. Its totient is φ = 63678570560.

The previous prime is 166432632181. The next prime is 166432632203. The reversal of 166432632200 is 2236234661.

It is a super-2 number, since 2×166432632200² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166432632203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18085904 + ... + 18095103.

It is an arithmetic number, because the mean of its divisors is an integer number (8412084360).

Almost surely, 2^166432632200 is an apocalyptic number.

166432632200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166432632200 is an abundant number, since it is smaller than the sum of its proper divisors (237347417080).

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

166432632200 is a wasteful number, since it uses less digits than its factorization.

166432632200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36181046 (or 36181037 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 166432632200 its reverse (2236234661), we get a palindrome (168668866861).

The spelling of 166432632200 in words is "one hundred sixty-six billion, four hundred thirty-two million, six hundred thirty-two thousand, two hundred".