16928330641 has 2 divisors, whose sum is σ = 16928330642. Its totient is φ = 16928330640.

The previous prime is 16928330603. The next prime is 16928330651. The reversal of 16928330641 is 14603382961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16881545041 + 46785600 = 129929^2 + 6840^2 .

It is a cyclic number.

It is not a de Polignac number, because 16928330641 - 2⁷ = 16928330513 is a prime.

It is not a weakly prime, because it can be changed into another prime (16928330651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8464165320 + 8464165321.

It is an arithmetic number, because the mean of its divisors is an integer number (8464165321).

Almost surely, 2^16928330641 is an apocalyptic number.

It is an amenable number.

16928330641 is a deficient number, since it is larger than the sum of its proper divisors (1).

16928330641 is an equidigital number, since it uses as much as digits as its factorization.

16928330641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 16928330641 in words is "sixteen billion, nine hundred twenty-eight million, three hundred thirty thousand, six hundred forty-one".