80616406603 has 2 divisors, whose sum is σ = 80616406604. Its totient is φ = 80616406602.

The previous prime is 80616406589. The next prime is 80616406621. The reversal of 80616406603 is 30660461608.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80616406603 is a prime.

It is not a weakly prime, because it can be changed into another prime (80616406693) 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 as a sum of consecutive naturals, namely, 40308203301 + 40308203302.

It is an arithmetic number, because the mean of its divisors is an integer number (40308203302).

Almost surely, 2^80616406603 is an apocalyptic number.

80616406603 is a deficient number, since it is larger than the sum of its proper divisors (1).

80616406603 is an equidigital number, since it uses as much as digits as its factorization.

80616406603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 80616406603 in words is "eighty billion, six hundred sixteen million, four hundred six thousand, six hundred three".