166083285 has 32 divisors (see below), whose sum is σ = 285593472. Its totient is φ = 82114560.

The previous prime is 166083283. The next prime is 166083293. The reversal of 166083285 is 582380661.

It is a happy number.

It is not a de Polignac number, because 166083285 - 2¹ = 166083283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166083283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12225 + ... + 21945.

It is an arithmetic number, because the mean of its divisors is an integer number (8924796).

Almost surely, 2^166083285 is an apocalyptic number.

166083285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

166083285 is a deficient number, since it is larger than the sum of its proper divisors (119510187).

166083285 is a wasteful number, since it uses less digits than its factorization.

166083285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9813.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 166083285 is about 12887.3304062556. The cubic root of 166083285 is about 549.6783629092.

The spelling of 166083285 in words is "one hundred sixty-six million, eighty-three thousand, two hundred eighty-five".