402016358663 has 2 divisors, whose sum is σ = 402016358664. Its totient is φ = 402016358662.

The previous prime is 402016358591. The next prime is 402016358669. The reversal of 402016358663 is 366853610204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402016358663 - 2⁸ = 402016358407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402016358669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201008179331 + 201008179332.

It is an arithmetic number, because the mean of its divisors is an integer number (201008179332).

Almost surely, 2^402016358663 is an apocalyptic number.

402016358663 is a deficient number, since it is larger than the sum of its proper divisors (1).

402016358663 is an equidigital number, since it uses as much as digits as its factorization.

402016358663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 44.

Adding to 402016358663 its reverse (366853610204), we get a palindrome (768869968867).

The spelling of 402016358663 in words is "four hundred two billion, sixteen million, three hundred fifty-eight thousand, six hundred sixty-three".