166560964 has 12 divisors (see below), whose sum is σ = 292211388. Its totient is φ = 83072000.

The previous prime is 166560943. The next prime is 166560967. The reversal of 166560964 is 469065661.

It can be written as a sum of positive squares in 2 ways, for example, as 143808064 + 22752900 = 11992^2 + 4770^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 166560964.

It is not an unprimeable number, because it can be changed into a prime (166560967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50317 + ... + 53524.

It is an arithmetic number, because the mean of its divisors is an integer number (24350949).

Almost surely, 2^166560964 is an apocalyptic number.

It is an amenable number.

166560964 is a deficient number, since it is larger than the sum of its proper divisors (125650424).

166560964 is a wasteful number, since it uses less digits than its factorization.

166560964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104246 (or 104244 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 166560964 is about 12905.8499913799. The cubic root of 166560964 is about 550.2048427069.

The spelling of 166560964 in words is "one hundred sixty-six million, five hundred sixty thousand, nine hundred sixty-four".