666070610 has 16 divisors (see below), whose sum is σ = 1221549336. Its totient is φ = 261401088.

The previous prime is 666070589. The next prime is 666070621. The reversal of 666070610 is 16070666.

It can be written as a sum of positive squares in 4 ways, for example, as 593360881 + 72709729 = 24359^2 + 8527^2 .

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 7 ways as a sum of consecutive naturals, for example, 627839 + ... + 628898.

Almost surely, 2^666070610 is an apocalyptic number.

666070610 is a deficient number, since it is larger than the sum of its proper divisors (555478726).

666070610 is a wasteful number, since it uses less digits than its factorization.

666070610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256797.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 666070610 is about 25808.3438058315. The cubic root of 666070610 is about 873.3200353756.

The spelling of 666070610 in words is "six hundred sixty-six million, seventy thousand, six hundred ten".