1660130803 has 4 divisors (see below), whose sum is σ = 1660234608. Its totient is φ = 1660027000.

The previous prime is 1660130789. The next prime is 1660130807. The reversal of 1660130803 is 3080310661.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1660130803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1660130807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22276 + ... + 61777.

It is an arithmetic number, because the mean of its divisors is an integer number (415058652).

Almost surely, 2^1660130803 is an apocalyptic number.

1660130803 is a deficient number, since it is larger than the sum of its proper divisors (103805).

1660130803 is an equidigital number, since it uses as much as digits as its factorization.

1660130803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103804.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1660130803 is about 40744.7027599908. The cubic root of 1660130803 is about 1184.0792465353.

The spelling of 1660130803 in words is "one billion, six hundred sixty million, one hundred thirty thousand, eight hundred three".