166200534 has 24 divisors (see below), whose sum is σ = 381284280. Its totient is φ = 52141248.

The previous prime is 166200533. The next prime is 166200569. The reversal of 166200534 is 435002661.

166200534 is a `hidden beast` number, since 1 + 6 + 620 + 0 + 5 + 34 = 666.

166200534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166200498 and 166200507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166200533) 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, 271264 + ... + 271875.

It is an arithmetic number, because the mean of its divisors is an integer number (15886845).

Almost surely, 2^166200534 is an apocalyptic number.

166200534 is an abundant number, since it is smaller than the sum of its proper divisors (215083746).

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

166200534 is a wasteful number, since it uses less digits than its factorization.

166200534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543164 (or 543161 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 166200534 is about 12891.8786063165. The cubic root of 166200534 is about 549.8076837256.

The spelling of 166200534 in words is "one hundred sixty-six million, two hundred thousand, five hundred thirty-four".