1660830002 has 8 divisors (see below), whose sum is σ = 2682879276. Its totient is φ = 766536912.

The previous prime is 1660829993. The next prime is 1660830007. The reversal of 1660830002 is 2000380661.

It can be written as a sum of positive squares in 2 ways, for example, as 1653316921 + 7513081 = 40661^2 + 2741^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 63878077 = 1660830002 / (1 + 6 + 6 + 0 + 8 + 3 + 0 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (1660830007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31939013 + ... + 31939064.

Almost surely, 2^1660830002 is an apocalyptic number.

1660830002 is a deficient number, since it is larger than the sum of its proper divisors (1022049274).

1660830002 is a wasteful number, since it uses less digits than its factorization.

1660830002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63878092.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1660830002 is about 40753.2821009548. The cubic root of 1660830002 is about 1184.2454564951.

The spelling of 1660830002 in words is "one billion, six hundred sixty million, eight hundred thirty thousand, two".