166070545 has 16 divisors (see below), whose sum is σ = 213336000. Its totient is φ = 123726528.

The previous prime is 166070539. The next prime is 166070551. The reversal of 166070545 is 545070661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166070539) and next prime (166070551).

It is a cyclic number.

It is not a de Polignac number, because 166070545 - 2³ = 166070537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166070545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9210 + ... + 20419.

It is an arithmetic number, because the mean of its divisors is an integer number (13333500).

Almost surely, 2^166070545 is an apocalyptic number.

It is an amenable number.

166070545 is a deficient number, since it is larger than the sum of its proper divisors (47265455).

166070545 is a wasteful number, since it uses less digits than its factorization.

166070545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29712.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 166070545 is about 12886.8361128711. The cubic root of 166070545 is about 549.6643075485.

The spelling of 166070545 in words is "one hundred sixty-six million, seventy thousand, five hundred forty-five".