16800977041 has 2 divisors, whose sum is σ = 16800977042. Its totient is φ = 16800977040.

The previous prime is 16800977021. The next prime is 16800977111. The reversal of 16800977041 is 14077900861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12233244816 + 4567732225 = 110604^2 + 67585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16800977041 is a prime.

It is not a weakly prime, because it can be changed into another prime (16800977021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8400488520 + 8400488521.

It is an arithmetic number, because the mean of its divisors is an integer number (8400488521).

Almost surely, 2^16800977041 is an apocalyptic number.

It is an amenable number.

16800977041 is a deficient number, since it is larger than the sum of its proper divisors (1).

16800977041 is an equidigital number, since it uses as much as digits as its factorization.

16800977041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 16800977041 in words is "sixteen billion, eight hundred million, nine hundred seventy-seven thousand, forty-one".