166560395 has 16 divisors (see below), whose sum is σ = 202500000. Its totient is φ = 131509248.

The previous prime is 166560367. The next prime is 166560437. The reversal of 166560395 is 593065661.

166560395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 166560395 - 2⁸ = 166560139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132731 + ... + 133979.

It is an arithmetic number, because the mean of its divisors is an integer number (12656250).

Almost surely, 2^166560395 is an apocalyptic number.

166560395 is a deficient number, since it is larger than the sum of its proper divisors (35939605).

166560395 is a wasteful number, since it uses less digits than its factorization.

166560395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 166560395 is about 12905.8279470943. The cubic root of 166560395 is about 550.2042161757.

The spelling of 166560395 in words is "one hundred sixty-six million, five hundred sixty thousand, three hundred ninety-five".