166325783 has 8 divisors (see below), whose sum is σ = 179282208. Its totient is φ = 153392544.

The previous prime is 166325771. The next prime is 166325801. The reversal of 166325783 is 387523661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166325783 - 2¹⁴ = 166309399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166325783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166321783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10910 + ... + 21252.

It is an arithmetic number, because the mean of its divisors is an integer number (22410276).

Almost surely, 2^166325783 is an apocalyptic number.

166325783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

166325783 is a deficient number, since it is larger than the sum of its proper divisors (12956425).

166325783 is a wasteful number, since it uses less digits than its factorization.

166325783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11593.

The product of its digits is 181440, while the sum is 41.

The square root of 166325783 is about 12896.7353620984. The cubic root of 166325783 is about 549.9457610425.

The spelling of 166325783 in words is "one hundred sixty-six million, three hundred twenty-five thousand, seven hundred eighty-three".