16316331511 has 2 divisors, whose sum is σ = 16316331512. Its totient is φ = 16316331510.

The previous prime is 16316331443. The next prime is 16316331517. The reversal of 16316331511 is 11513361361.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16316331511 - 2²¹ = 16314234359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16316331517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8158165755 + 8158165756.

It is an arithmetic number, because the mean of its divisors is an integer number (8158165756).

Almost surely, 2^16316331511 is an apocalyptic number.

16316331511 is a deficient number, since it is larger than the sum of its proper divisors (1).

16316331511 is an equidigital number, since it uses as much as digits as its factorization.

16316331511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 31.

Adding to 16316331511 its reverse (11513361361), we get a palindrome (27829692872).

The spelling of 16316331511 in words is "sixteen billion, three hundred sixteen million, three hundred thirty-one thousand, five hundred eleven".