16136317633 has 2 divisors, whose sum is σ = 16136317634. Its totient is φ = 16136317632.

The previous prime is 16136317597. The next prime is 16136317651. The reversal of 16136317633 is 33671363161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15632000784 + 504316849 = 125028^2 + 22457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16136317633 is a prime.

It is not a weakly prime, because it can be changed into another prime (16136317693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8068158816 + 8068158817.

It is an arithmetic number, because the mean of its divisors is an integer number (8068158817).

Almost surely, 2^16136317633 is an apocalyptic number.

It is an amenable number.

16136317633 is a deficient number, since it is larger than the sum of its proper divisors (1).

16136317633 is an equidigital number, since it uses as much as digits as its factorization.

16136317633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 40.

The spelling of 16136317633 in words is "sixteen billion, one hundred thirty-six million, three hundred seventeen thousand, six hundred thirty-three".