36168669 has 12 divisors (see below), whose sum is σ = 53100892. Its totient is φ = 23716800.

The previous prime is 36168641. The next prime is 36168689. The reversal of 36168669 is 96686163.

It can be written as a sum of positive squares in 2 ways, for example, as 8732025 + 27436644 = 2955^2 + 5238^2 .

It is not a de Polignac number, because 36168669 - 2⁵ = 36168637 is a prime.

It is a super-2 number, since 2×36168669² = 2616345234463122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36168619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32392 + ... + 33489.

Almost surely, 2^36168669 is an apocalyptic number.

It is an amenable number.

36168669 is a deficient number, since it is larger than the sum of its proper divisors (16932223).

36168669 is a wasteful number, since it uses less digits than its factorization.

36168669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65948 (or 65945 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 36168669 is about 6014.0393247800. The cubic root of 36168669 is about 330.7076001064.

The spelling of 36168669 in words is "thirty-six million, one hundred sixty-eight thousand, six hundred sixty-nine".