36161645 has 16 divisors (see below), whose sum is σ = 47378352. Its totient is φ = 26334720.

The previous prime is 36161639. The next prime is 36161687. The reversal of 36161645 is 54616163.

36161645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 5476 + 36156169 = 74^2 + 6013^2 .

It is a de Polignac number, because none of the positive numbers 2^k-36161645 is a prime.

It is a super-3 number, since 3×36161645³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 935 + ... + 8555.

It is an arithmetic number, because the mean of its divisors is an integer number (2961147).

Almost surely, 2^36161645 is an apocalyptic number.

It is an amenable number.

36161645 is a deficient number, since it is larger than the sum of its proper divisors (11216707).

36161645 is a wasteful number, since it uses less digits than its factorization.

36161645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7712.

The product of its digits is 12960, while the sum is 32.

The square root of 36161645 is about 6013.4553295090. The cubic root of 36161645 is about 330.6861907796.

The spelling of 36161645 in words is "thirty-six million, one hundred sixty-one thousand, six hundred forty-five".