660351002 has 8 divisors (see below), whose sum is σ = 1014685812. Its totient is φ = 322122400.

The previous prime is 660351001. The next prime is 660351007. The reversal of 660351002 is 200153066.

It can be written as a sum of positive squares in 2 ways, for example, as 556535281 + 103815721 = 23591^2 + 10189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (660351001) 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, 4026449 + ... + 4026612.

Almost surely, 2^660351002 is an apocalyptic number.

660351002 is a deficient number, since it is larger than the sum of its proper divisors (354334810).

660351002 is a wasteful number, since it uses less digits than its factorization.

660351002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8053104.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 660351002 is about 25697.2956164652. The cubic root of 660351002 is about 870.8130866981.

The spelling of 660351002 in words is "six hundred sixty million, three hundred fifty-one thousand, two".