36663663 has 8 divisors (see below), whose sum is σ = 49504000. Its totient is φ = 24132888.

The previous prime is 36663637. The next prime is 36663677. The reversal of 36663663 is 36636663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36663663 - 2¹⁷ = 36532591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36663463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77113 + ... + 77586.

It is an arithmetic number, because the mean of its divisors is an integer number (6188000).

Almost surely, 2^36663663 is an apocalyptic number.

36663663 is a deficient number, since it is larger than the sum of its proper divisors (12840337).

36663663 is a wasteful number, since it uses less digits than its factorization.

36663663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154781.

The product of its digits is 209952, while the sum is 39.

The square root of 36663663 is about 6055.0526835033. The cubic root of 36663663 is about 332.2094259780.

Subtracting from 36663663 its reverse (36636663), we obtain a cube (27000 = 30³).

It can be divided in two parts, 3 and 6663663, that added together give a palindrome (6663666).

The spelling of 36663663 in words is "thirty-six million, six hundred sixty-three thousand, six hundred sixty-three".