36187966 has 4 divisors (see below), whose sum is σ = 54281952. Its totient is φ = 18093982.

The previous prime is 36187937. The next prime is 36187981. The reversal of 36187966 is 66978163.

36187966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66978163 = 7 ⋅9568309.

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 as a sum of consecutive naturals, namely, 9046990 + ... + 9046993.

It is an arithmetic number, because the mean of its divisors is an integer number (13570488).

Almost surely, 2^36187966 is an apocalyptic number.

36187966 is a deficient number, since it is larger than the sum of its proper divisors (18093986).

36187966 is a wasteful number, since it uses less digits than its factorization.

36187966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18093985.

The product of its digits is 326592, while the sum is 46.

The square root of 36187966 is about 6015.6434402315. The cubic root of 36187966 is about 330.7664035786.

The spelling of 36187966 in words is "thirty-six million, one hundred eighty-seven thousand, nine hundred sixty-six".