669048170 has 64 divisors (see below), whose sum is σ = 1396555776. Its totient is φ = 226048320.

The previous prime is 669048167. The next prime is 669048199. The reversal of 669048170 is 71840966.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2179157 + ... + 2179463.

It is an arithmetic number, because the mean of its divisors is an integer number (21821184).

Almost surely, 2^669048170 is an apocalyptic number.

669048170 is an abundant number, since it is smaller than the sum of its proper divisors (727507606).

669048170 is a wasteful number, since it uses less digits than its factorization.

669048170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 669048170 is about 25865.9654758913. The cubic root of 669048170 is about 874.6194459424.

The spelling of 669048170 in words is "six hundred sixty-nine million, forty-eight thousand, one hundred seventy".