166533522 has 16 divisors (see below), whose sum is σ = 342069312. Its totient is φ = 54010800.

The previous prime is 166533517. The next prime is 166533551. The reversal of 166533522 is 225335661.

166533522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374854 + ... + 375297.

It is an arithmetic number, because the mean of its divisors is an integer number (21379332).

Almost surely, 2^166533522 is an apocalyptic number.

166533522 is an abundant number, since it is smaller than the sum of its proper divisors (175535790).

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

166533522 is a wasteful number, since it uses less digits than its factorization.

166533522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750193.

The product of its digits is 32400, while the sum is 33.

The square root of 166533522 is about 12904.7867863053. The cubic root of 166533522 is about 550.1746244409.

The spelling of 166533522 in words is "one hundred sixty-six million, five hundred thirty-three thousand, five hundred twenty-two".