166560512 has 18 divisors (see below), whose sum is σ = 332470908. Its totient is φ = 83280128.

The previous prime is 166560487. The next prime is 166560529. The reversal of 166560512 is 215065661.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 as a sum of consecutive naturals, namely, 325058 + ... + 325569.

It is an arithmetic number, because the mean of its divisors is an integer number (18470606).

Almost surely, 2^166560512 is an apocalyptic number.

It is an amenable number.

166560512 is a deficient number, since it is larger than the sum of its proper divisors (165910396).

166560512 is an frugal number, since it uses more digits than its factorization.

166560512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650643 (or 650629 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 166560512 is about 12905.8324799294. The cubic root of 166560512 is about 550.2043450056.

The spelling of 166560512 in words is "one hundred sixty-six million, five hundred sixty thousand, five hundred twelve".