166525107 has 16 divisors (see below), whose sum is σ = 254529792. Its totient is φ = 94865760.

The previous prime is 166525103. The next prime is 166525133. The reversal of 166525107 is 701525661.

It is not a de Polignac number, because 166525107 - 2² = 166525103 is a prime.

It is a super-2 number, since 2×166525107² = 55461222522722898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166525103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5028 + ... + 18929.

It is an arithmetic number, because the mean of its divisors is an integer number (15908112).

Almost surely, 2^166525107 is an apocalyptic number.

166525107 is a deficient number, since it is larger than the sum of its proper divisors (88004685).

166525107 is a wasteful number, since it uses less digits than its factorization.

166525107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24298.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 166525107 is about 12904.4607403797. The cubic root of 166525107 is about 550.1653574429.

The spelling of 166525107 in words is "one hundred sixty-six million, five hundred twenty-five thousand, one hundred seven".