163153804417 has 2 divisors, whose sum is σ = 163153804418. Its totient is φ = 163153804416.

The previous prime is 163153804409. The next prime is 163153804423. The reversal of 163153804417 is 714408351361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126889838656 + 36263965761 = 356216^2 + 190431^2 .

It is a cyclic number.

It is not a de Polignac number, because 163153804417 - 2³ = 163153804409 is a prime.

It is not a weakly prime, because it can be changed into another prime (163153804447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81576902208 + 81576902209.

It is an arithmetic number, because the mean of its divisors is an integer number (81576902209).

Almost surely, 2^163153804417 is an apocalyptic number.

It is an amenable number.

163153804417 is a deficient number, since it is larger than the sum of its proper divisors (1).

163153804417 is an equidigital number, since it uses as much as digits as its factorization.

163153804417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 163153804417 in words is "one hundred sixty-three billion, one hundred fifty-three million, eight hundred four thousand, four hundred seventeen".