166745013 has 8 divisors (see below), whose sum is σ = 227497248. Its totient is φ = 108578064.

The previous prime is 166745011. The next prime is 166745017. The reversal of 166745013 is 310547661.

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

It is not a de Polignac number, because 166745013 - 2¹ = 166745011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166745011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646170 + ... + 646427.

It is an arithmetic number, because the mean of its divisors is an integer number (28437156).

Almost surely, 2^166745013 is an apocalyptic number.

It is an amenable number.

166745013 is a deficient number, since it is larger than the sum of its proper divisors (60752235).

166745013 is a wasteful number, since it uses less digits than its factorization.

166745013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292643.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 166745013 is about 12912.9784712900. The cubic root of 166745013 is about 550.4074259384.

The spelling of 166745013 in words is "one hundred sixty-six million, seven hundred forty-five thousand, thirteen".