436547672817161 has 2 divisors, whose sum is σ = 436547672817162. Its totient is φ = 436547672817160.

The previous prime is 436547672817073. The next prime is 436547672817169. The reversal of 436547672817161 is 161718276745634.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327761333472400 + 108786339344761 = 18104180^2 + 10430069^2 .

It is a cyclic number.

It is not a de Polignac number, because 436547672817161 - 2³⁴ = 436530492947977 is a prime.

It is a super-2 number, since 2×436547672817161² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 436547672817091 and 436547672817100.

It is not a weakly prime, because it can be changed into another prime (436547672817169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218273836408580 + 218273836408581.

It is an arithmetic number, because the mean of its divisors is an integer number (218273836408581).

Almost surely, 2^{436547672817161} is an apocalyptic number.

It is an amenable number.

436547672817161 is a deficient number, since it is larger than the sum of its proper divisors (1).

436547672817161 is an equidigital number, since it uses as much as digits as its factorization.

436547672817161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 284497920, while the sum is 68.

The spelling of 436547672817161 in words is "four hundred thirty-six trillion, five hundred forty-seven billion, six hundred seventy-two million, eight hundred seventeen thousand, one hundred sixty-one".