36566538 has 16 divisors (see below), whose sum is σ = 73370496. Its totient is φ = 12149280.

The previous prime is 36566531. The next prime is 36566539. The reversal of 36566538 is 83566563.

36566538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×36566538² = 2674223402610888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36566538.

It is not an unprimeable number, because it can be changed into a prime (36566531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7858 + ... + 11613.

It is an arithmetic number, because the mean of its divisors is an integer number (4585656).

Almost surely, 2^36566538 is an apocalyptic number.

36566538 is an abundant number, since it is smaller than the sum of its proper divisors (36803958).

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

36566538 is a wasteful number, since it uses less digits than its factorization.

36566538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19789.

The product of its digits is 388800, while the sum is 42.

The square root of 36566538 is about 6047.0272035108. The cubic root of 36566538 is about 331.9158167069.

The spelling of 36566538 in words is "thirty-six million, five hundred sixty-six thousand, five hundred thirty-eight".