166144525 has 12 divisors (see below), whose sum is σ = 214977312. Its totient is φ = 127136240.

The previous prime is 166144513. The next prime is 166144547. The reversal of 166144525 is 525441661.

166144525 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 166144525 - 2¹⁷ = 166013453 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, 143899 + ... + 145048.

It is an arithmetic number, because the mean of its divisors is an integer number (17914776).

Almost surely, 2^166144525 is an apocalyptic number.

It is an amenable number.

166144525 is a deficient number, since it is larger than the sum of its proper divisors (48832787).

166144525 is a wasteful number, since it uses less digits than its factorization.

166144525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288980 (or 288975 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 166144525 is about 12889.7061642227. The cubic root of 166144525 is about 549.7459156962.

The spelling of 166144525 in words is "one hundred sixty-six million, one hundred forty-four thousand, five hundred twenty-five".