36158612 has 12 divisors (see below), whose sum is σ = 72317280. Its totient is φ = 15496536.

The previous prime is 36158581. The next prime is 36158623. The reversal of 36158612 is 21685163.

It is a happy number.

36158612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

36158612 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 645662 + ... + 645717.

It is an arithmetic number, because the mean of its divisors is an integer number (6026440).

Almost surely, 2^36158612 is an apocalyptic number.

It is an amenable number.

36158612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36158612 is a wasteful number, since it uses less digits than its factorization.

36158612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291390 (or 1291388 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 36158612 is about 6013.2031397584. The cubic root of 36158612 is about 330.6769452631.

The spelling of 36158612 in words is "thirty-six million, one hundred fifty-eight thousand, six hundred twelve".