66831854003 has 2 divisors, whose sum is σ = 66831854004. Its totient is φ = 66831854002.

The previous prime is 66831853997. The next prime is 66831854071. The reversal of 66831854003 is 30045813866.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66831854003 - 2¹² = 66831849907 is a prime.

It is not a weakly prime, because it can be changed into another prime (66831854083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33415927001 + 33415927002.

It is an arithmetic number, because the mean of its divisors is an integer number (33415927002).

Almost surely, 2^66831854003 is an apocalyptic number.

66831854003 is a deficient number, since it is larger than the sum of its proper divisors (1).

66831854003 is an equidigital number, since it uses as much as digits as its factorization.

66831854003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 66831854003 in words is "sixty-six billion, eight hundred thirty-one million, eight hundred fifty-four thousand, three".