36663061 has 4 divisors (see below), whose sum is σ = 37557324. Its totient is φ = 35768800.

The previous prime is 36663059. The next prime is 36663073. The reversal of 36663061 is 16036663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16036663 = 1361 ⋅11783.

It can be written as a sum of positive squares in 2 ways, for example, as 1782225 + 34880836 = 1335^2 + 5906^2 .

It is a cyclic number.

It is not a de Polignac number, because 36663061 - 2¹ = 36663059 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36663091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447070 + ... + 447151.

It is an arithmetic number, because the mean of its divisors is an integer number (9389331).

Almost surely, 2^36663061 is an apocalyptic number.

It is an amenable number.

36663061 is a deficient number, since it is larger than the sum of its proper divisors (894263).

36663061 is an equidigital number, since it uses as much as digits as its factorization.

36663061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894262.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 36663061 is about 6055.0029727491. The cubic root of 36663061 is about 332.2076077276.

The spelling of 36663061 in words is "thirty-six million, six hundred sixty-three thousand, sixty-one".