166073525 has 12 divisors (see below), whose sum is σ = 210721632. Its totient is φ = 129768240.

The previous prime is 166073519. The next prime is 166073533. The reversal of 166073525 is 525370661.

166073525 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 166073525 - 2¹⁴ = 166057141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76169 + ... + 78318.

It is an arithmetic number, because the mean of its divisors is an integer number (17560136).

Almost surely, 2^166073525 is an apocalyptic number.

It is an amenable number.

166073525 is a deficient number, since it is larger than the sum of its proper divisors (44648107).

166073525 is a wasteful number, since it uses less digits than its factorization.

166073525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154540 (or 154535 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 166073525 is about 12886.9517342155. The cubic root of 166073525 is about 549.6675952876.

The spelling of 166073525 in words is "one hundred sixty-six million, seventy-three thousand, five hundred twenty-five".