166525123 has 8 divisors (see below), whose sum is σ = 171202160. Its totient is φ = 161857440.

The previous prime is 166525103. The next prime is 166525133. The reversal of 166525123 is 321525661.

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

It is a cyclic number.

It is not a de Polignac number, because 166525123 - 2⁵ = 166525091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166525103) 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, 49468 + ... + 52726.

It is an arithmetic number, because the mean of its divisors is an integer number (21400270).

Almost surely, 2^166525123 is an apocalyptic number.

166525123 is a deficient number, since it is larger than the sum of its proper divisors (4677037).

166525123 is a wasteful number, since it uses less digits than its factorization.

166525123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677.

The product of its digits is 10800, while the sum is 31.

The square root of 166525123 is about 12904.4613603203. The cubic root of 166525123 is about 550.1653750631.

The spelling of 166525123 in words is "one hundred sixty-six million, five hundred twenty-five thousand, one hundred twenty-three".