16545652101397 has 2 divisors, whose sum is σ = 16545652101398. Its totient is φ = 16545652101396.

The previous prime is 16545652101373. The next prime is 16545652101437. The reversal of 16545652101397 is 79310125654561.

16545652101397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11437288192836 + 5108363908561 = 3381906^2 + 2260169^2 .

It is a cyclic number.

It is not a de Polignac number, because 16545652101397 - 2³⁵ = 16511292363029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16545652101197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272826050698 + 8272826050699.

It is an arithmetic number, because the mean of its divisors is an integer number (8272826050699).

Almost surely, 2^{16545652101397} is an apocalyptic number.

It is an amenable number.

16545652101397 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545652101397 is an equidigital number, since it uses as much as digits as its factorization.

16545652101397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 16545652101397 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-two million, one hundred one thousand, three hundred ninety-seven".