166205532 has 48 divisors (see below), whose sum is σ = 411536160. Its totient is φ = 52027392.

The previous prime is 166205519. The next prime is 166205569. The reversal of 166205532 is 235502661.

It is a self number, because there is not a number n which added to its sum of digits gives 166205532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178444 + ... + 179372.

It is an arithmetic number, because the mean of its divisors is an integer number (8573670).

Almost surely, 2^166205532 is an apocalyptic number.

166205532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166205532 is an abundant number, since it is smaller than the sum of its proper divisors (245330628).

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

166205532 is a wasteful number, since it uses less digits than its factorization.

166205532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 166205532 is about 12892.0724478262. The cubic root of 166205532 is about 549.8131949619.

The spelling of 166205532 in words is "one hundred sixty-six million, two hundred five thousand, five hundred thirty-two".