712116169 has 4 divisors (see below), whose sum is σ = 718418196. Its totient is φ = 705814144.

The previous prime is 712116149. The next prime is 712116173. The reversal of 712116169 is 961611217.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88115769 + 624000400 = 9387^2 + 24980^2 .

It is a cyclic number.

It is not a de Polignac number, because 712116169 - 2¹⁷ = 711985097 is a prime.

It is a super-2 number, since 2×712116169² = 1014218876302473122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712116149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3150844 + ... + 3151069.

It is an arithmetic number, because the mean of its divisors is an integer number (179604549).

Almost surely, 2^712116169 is an apocalyptic number.

It is an amenable number.

712116169 is a deficient number, since it is larger than the sum of its proper divisors (6302027).

712116169 is a wasteful number, since it uses less digits than its factorization.

712116169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302026.

The product of its digits is 4536, while the sum is 34.

The square root of 712116169 is about 26685.5048481381. The cubic root of 712116169 is about 892.9975806120.

The spelling of 712116169 in words is "seven hundred twelve million, one hundred sixteen thousand, one hundred sixty-nine".