7136566169 has 2 divisors, whose sum is σ = 7136566170. Its totient is φ = 7136566168.

The previous prime is 7136566097. The next prime is 7136566219. The reversal of 7136566169 is 9616656317.

It is a happy number.

It is an a-pointer prime, because the next prime (7136566219) can be obtained adding 7136566169 to its sum of digits (50).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3646710544 + 3489855625 = 60388^2 + 59075^2 .

It is an emirp because it is prime and its reverse (9616656317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7136566169 - 2⁸ = 7136565913 is a prime.

It is a super-2 number, since 2×7136566169² (a number of 21 digits) contains 22 as substring.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3568283084 + 3568283085.

It is an arithmetic number, because the mean of its divisors is an integer number (3568283085).

Almost surely, 2^7136566169 is an apocalyptic number.

It is an amenable number.

7136566169 is a deficient number, since it is larger than the sum of its proper divisors (1).

7136566169 is an equidigital number, since it uses as much as digits as its factorization.

7136566169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The square root of 7136566169 is about 84478.1993711987. The cubic root of 7136566169 is about 1925.2912288006.

The spelling of 7136566169 in words is "seven billion, one hundred thirty-six million, five hundred sixty-six thousand, one hundred sixty-nine".