670506066 has 32 divisors (see below), whose sum is σ = 1503213120. Its totient is φ = 221522112.

The previous prime is 670506049. The next prime is 670506079. The reversal of 670506066 is 660605076.

It is a self number, because there is not a number n which added to its sum of digits gives 670506066.

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 15 ways as a sum of consecutive naturals, for example, 48840 + ... + 61043.

It is an arithmetic number, because the mean of its divisors is an integer number (46975410).

Almost surely, 2^670506066 is an apocalyptic number.

670506066 is an abundant number, since it is smaller than the sum of its proper divisors (832707054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670506066 is a wasteful number, since it uses less digits than its factorization.

670506066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110007 (or 110001 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 670506066 is about 25894.1318834982. The cubic root of 670506066 is about 875.2542677646.

The spelling of 670506066 in words is "six hundred seventy million, five hundred six thousand, sixty-six".