166033525 has 24 divisors (see below), whose sum is σ = 236234880. Its totient is φ = 113396160.

The previous prime is 166033513. The next prime is 166033529. The reversal of 166033525 is 525330661.

It is not a de Polignac number, because 166033525 - 2¹¹ = 166031477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166033529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45312 + ... + 48838.

It is an arithmetic number, because the mean of its divisors is an integer number (9843120).

Almost surely, 2^166033525 is an apocalyptic number.

It is an amenable number.

166033525 is a deficient number, since it is larger than the sum of its proper divisors (70201355).

166033525 is a wasteful number, since it uses less digits than its factorization.

166033525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813 (or 3808 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 166033525 is about 12885.3996833626. The cubic root of 166033525 is about 549.6234612827.

The spelling of 166033525 in words is "one hundred sixty-six million, thirty-three thousand, five hundred twenty-five".