166928534 has 16 divisors (see below), whose sum is σ = 258017568. Its totient is φ = 80937792.

The previous prime is 166928533. The next prime is 166928539. The reversal of 166928534 is 435829661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166928533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19559 + ... + 26765.

It is an arithmetic number, because the mean of its divisors is an integer number (16126098).

Almost surely, 2^166928534 is an apocalyptic number.

166928534 is a deficient number, since it is larger than the sum of its proper divisors (91089034).

166928534 is a wasteful number, since it uses less digits than its factorization.

166928534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559.

The product of its digits is 311040, while the sum is 44.

The square root of 166928534 is about 12920.0825848754. The cubic root of 166928534 is about 550.6092796232.

It can be divided in two parts, 1669 and 28534, that added together give a palindrome (30203).

The spelling of 166928534 in words is "one hundred sixty-six million, nine hundred twenty-eight thousand, five hundred thirty-four".