166507045 has 16 divisors (see below), whose sum is σ = 207198720. Its totient is φ = 128318400.

The previous prime is 166507037. The next prime is 166507057. The reversal of 166507045 is 540705661.

It is a happy number.

166507045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166507045 - 2³ = 166507037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166507045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33150 + ... + 37840.

It is an arithmetic number, because the mean of its divisors is an integer number (12949920).

Almost surely, 2^166507045 is an apocalyptic number.

It is an amenable number.

166507045 is a deficient number, since it is larger than the sum of its proper divisors (40691675).

166507045 is a wasteful number, since it uses less digits than its factorization.

166507045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 166507045 is about 12903.7608858813. The cubic root of 166507045 is about 550.1454656556.

The spelling of 166507045 in words is "one hundred sixty-six million, five hundred seven thousand, forty-five".