16312316551 has 2 divisors, whose sum is σ = 16312316552. Its totient is φ = 16312316550.

The previous prime is 16312316533. The next prime is 16312316569. The reversal of 16312316551 is 15561321361.

It is a balanced prime because it is at equal distance from previous prime (16312316533) and next prime (16312316569).

It is a cyclic number.

It is not a de Polignac number, because 16312316551 - 2⁹ = 16312316039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16312316351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8156158275 + 8156158276.

It is an arithmetic number, because the mean of its divisors is an integer number (8156158276).

Almost surely, 2^16312316551 is an apocalyptic number.

16312316551 is a deficient number, since it is larger than the sum of its proper divisors (1).

16312316551 is an equidigital number, since it uses as much as digits as its factorization.

16312316551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 34.

The spelling of 16312316551 in words is "sixteen billion, three hundred twelve million, three hundred sixteen thousand, five hundred fifty-one".