16117236908501 has 2 divisors, whose sum is σ = 16117236908502. Its totient is φ = 16117236908500.

The previous prime is 16117236908483. The next prime is 16117236908519. The reversal of 16117236908501 is 10580963271161.

It is a balanced prime because it is at equal distance from previous prime (16117236908483) and next prime (16117236908519).

It can be written as a sum of positive squares in only one way, i.e., 15395460927025 + 721775981476 = 3923705^2 + 849574^2 .

It is a cyclic number.

It is not a de Polignac number, because 16117236908501 - 2²² = 16117232714197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16117236908501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16117236908551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8058618454250 + 8058618454251.

It is an arithmetic number, because the mean of its divisors is an integer number (8058618454251).

Almost surely, 2^{16117236908501} is an apocalyptic number.

It is an amenable number.

16117236908501 is a deficient number, since it is larger than the sum of its proper divisors (1).

16117236908501 is an equidigital number, since it uses as much as digits as its factorization.

16117236908501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 16117236908501 in words is "sixteen trillion, one hundred seventeen billion, two hundred thirty-six million, nine hundred eight thousand, five hundred one".