166082259 has 16 divisors (see below), whose sum is σ = 253298432. Its totient is φ = 94821408.

The previous prime is 166082237. The next prime is 166082261. The reversal of 166082259 is 952280661.

It is not a de Polignac number, because 166082259 - 2⁸ = 166082003 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166082219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27792 + ... + 33234.

It is an arithmetic number, because the mean of its divisors is an integer number (15831152).

Almost surely, 2^166082259 is an apocalyptic number.

166082259 is a deficient number, since it is larger than the sum of its proper divisors (87216173).

166082259 is a wasteful number, since it uses less digits than its factorization.

166082259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6906.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 166082259 is about 12887.2905996567. The cubic root of 166082259 is about 549.6772310049.

The spelling of 166082259 in words is "one hundred sixty-six million, eighty-two thousand, two hundred fifty-nine".