16630404277 has 2 divisors, whose sum is σ = 16630404278. Its totient is φ = 16630404276.

The previous prime is 16630404257. The next prime is 16630404361. The reversal of 16630404277 is 77240403661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9454450756 + 7175953521 = 97234^2 + 84711^2 .

It is a cyclic number.

It is not a de Polignac number, because 16630404277 - 2⁷ = 16630404149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16630404257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8315202138 + 8315202139.

It is an arithmetic number, because the mean of its divisors is an integer number (8315202139).

Almost surely, 2^16630404277 is an apocalyptic number.

It is an amenable number.

16630404277 is a deficient number, since it is larger than the sum of its proper divisors (1).

16630404277 is an equidigital number, since it uses as much as digits as its factorization.

16630404277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 16630404277 in words is "sixteen billion, six hundred thirty million, four hundred four thousand, two hundred seventy-seven".