166255534 has 8 divisors (see below), whose sum is σ = 249458328. Its totient is φ = 83102760.

The previous prime is 166255513. The next prime is 166255549. The reversal of 166255534 is 435552661.

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

It is a junction number, because it is equal to n+sod(n) for n = 166255493 and 166255502.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2637 + ... + 18424.

It is an arithmetic number, because the mean of its divisors is an integer number (31182291).

Almost surely, 2^166255534 is an apocalyptic number.

166255534 is a deficient number, since it is larger than the sum of its proper divisors (83202794).

166255534 is a wasteful number, since it uses less digits than its factorization.

166255534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25010.

The product of its digits is 108000, while the sum is 37.

The square root of 166255534 is about 12894.0115557572. The cubic root of 166255534 is about 549.8683255034.

The spelling of 166255534 in words is "one hundred sixty-six million, two hundred fifty-five thousand, five hundred thirty-four".