1026881663 has 2 divisors, whose sum is σ = 1026881664. Its totient is φ = 1026881662.

The previous prime is 1026881641. The next prime is 1026881671. The reversal of 1026881663 is 3661886201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1026881663 - 2¹⁶ = 1026816127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1026881663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026881633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513440831 + 513440832.

It is an arithmetic number, because the mean of its divisors is an integer number (513440832).

Almost surely, 2^1026881663 is an apocalyptic number.

1026881663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026881663 is an equidigital number, since it uses as much as digits as its factorization.

1026881663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 1026881663 is about 32044.9943516924. The cubic root of 1026881663 is about 1008.8814408196.

The spelling of 1026881663 in words is "one billion, twenty-six million, eight hundred eighty-one thousand, six hundred sixty-three".