666094292803 has 2 divisors, whose sum is σ = 666094292804. Its totient is φ = 666094292802.

The previous prime is 666094292789. The next prime is 666094292813. The reversal of 666094292803 is 308292490666.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-666094292803 is a prime.

It is not a weakly prime, because it can be changed into another prime (666094292813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333047146401 + 333047146402.

It is an arithmetic number, because the mean of its divisors is an integer number (333047146402).

Almost surely, 2^666094292803 is an apocalyptic number.

666094292803 is a deficient number, since it is larger than the sum of its proper divisors (1).

666094292803 is an equidigital number, since it uses as much as digits as its factorization.

666094292803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 666094292803 in words is "six hundred sixty-six billion, ninety-four million, two hundred ninety-two thousand, eight hundred three".