166532773 has 4 divisors (see below), whose sum is σ = 181672128. Its totient is φ = 151393420.

The previous prime is 166532771. The next prime is 166532803. The reversal of 166532773 is 377235661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 166532773 - 2¹ = 166532771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166532771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7569661 + ... + 7569682.

It is an arithmetic number, because the mean of its divisors is an integer number (45418032).

Almost surely, 2^166532773 is an apocalyptic number.

It is an amenable number.

166532773 is a deficient number, since it is larger than the sum of its proper divisors (15139355).

166532773 is a wasteful number, since it uses less digits than its factorization.

166532773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15139354.

The product of its digits is 158760, while the sum is 40.

The square root of 166532773 is about 12904.7577660334. The cubic root of 166532773 is about 550.1737996191.

The spelling of 166532773 in words is "one hundred sixty-six million, five hundred thirty-two thousand, seven hundred seventy-three".