16109386633 has 2 divisors, whose sum is σ = 16109386634. Its totient is φ = 16109386632.

The previous prime is 16109386621. The next prime is 16109386663. The reversal of 16109386633 is 33668390161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9345475584 + 6763911049 = 96672^2 + 82243^2 .

It is a cyclic number.

It is not a de Polignac number, because 16109386633 - 2²¹ = 16107289481 is a prime.

It is not a weakly prime, because it can be changed into another prime (16109386613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8054693316 + 8054693317.

It is an arithmetic number, because the mean of its divisors is an integer number (8054693317).

Almost surely, 2^16109386633 is an apocalyptic number.

It is an amenable number.

16109386633 is a deficient number, since it is larger than the sum of its proper divisors (1).

16109386633 is an equidigital number, since it uses as much as digits as its factorization.

16109386633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 16109386633 in words is "sixteen billion, one hundred nine million, three hundred eighty-six thousand, six hundred thirty-three".