166285083 has 4 divisors (see below), whose sum is σ = 221713448. Its totient is φ = 110856720.

The previous prime is 166285057. The next prime is 166285103. The reversal of 166285083 is 380582661.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380582661 = 3 ⋅126860887.

It is not a de Polignac number, because 166285083 - 2⁹ = 166284571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166285183) 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, 27714178 + ... + 27714183.

It is an arithmetic number, because the mean of its divisors is an integer number (55428362).

Almost surely, 2^166285083 is an apocalyptic number.

166285083 is a deficient number, since it is larger than the sum of its proper divisors (55428365).

166285083 is an equidigital number, since it uses as much as digits as its factorization.

166285083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55428364.

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

The square root of 166285083 is about 12895.1573468492. The cubic root of 166285083 is about 549.9009000514.

The spelling of 166285083 in words is "one hundred sixty-six million, two hundred eighty-five thousand, eighty-three".