10197169561 has 2 divisors, whose sum is σ = 10197169562. Its totient is φ = 10197169560.

The previous prime is 10197169553. The next prime is 10197169579. The reversal of 10197169561 is 16596179101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9639312400 + 557857161 = 98180^2 + 23619^2 .

It is an emirp because it is prime and its reverse (16596179101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10197169561 - 2³ = 10197169553 is a prime.

It is not a weakly prime, because it can be changed into another prime (10197179561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5098584780 + 5098584781.

It is an arithmetic number, because the mean of its divisors is an integer number (5098584781).

Almost surely, 2^10197169561 is an apocalyptic number.

It is an amenable number.

10197169561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10197169561 is an equidigital number, since it uses as much as digits as its factorization.

10197169561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 46.

The spelling of 10197169561 in words is "ten billion, one hundred ninety-seven million, one hundred sixty-nine thousand, five hundred sixty-one".