205181666232 has 32 divisors (see below), whose sum is σ = 513628264080. Its totient is φ = 68304008960.

The previous prime is 205181666231. The next prime is 205181666257. The reversal of 205181666232 is 232666181502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205181666231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5598843 + ... + 5635370.

Almost surely, 2^205181666232 is an apocalyptic number.

It is an amenable number.

205181666232 is an abundant number, since it is smaller than the sum of its proper divisors (308446597848).

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

205181666232 is a wasteful number, since it uses less digits than its factorization.

205181666232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11234983 (or 11234979 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 205181666232 in words is "two hundred five billion, one hundred eighty-one million, six hundred sixty-six thousand, two hundred thirty-two".