166734513 has 12 divisors (see below), whose sum is σ = 262733328. Its totient is φ = 101051160.

The previous prime is 166734511. The next prime is 166734517. The reversal of 166734513 is 315437661.

It is not a de Polignac number, because 166734513 - 2¹ = 166734511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166734511) 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 11 ways as a sum of consecutive naturals, for example, 841995 + ... + 842192.

It is an arithmetic number, because the mean of its divisors is an integer number (21894444).

Almost surely, 2^166734513 is an apocalyptic number.

It is an amenable number.

166734513 is a deficient number, since it is larger than the sum of its proper divisors (95998815).

166734513 is a wasteful number, since it uses less digits than its factorization.

166734513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684204 (or 1684201 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 166734513 is about 12912.5718971861. The cubic root of 166734513 is about 550.3958725709.

The spelling of 166734513 in words is "one hundred sixty-six million, seven hundred thirty-four thousand, five hundred thirteen".