36621165 has 32 divisors (see below), whose sum is σ = 68530176. Its totient is φ = 16349760.

The previous prime is 36621163. The next prime is 36621173. The reversal of 36621165 is 56112663.

It is not a de Polignac number, because 36621165 - 2¹ = 36621163 is a prime.

It is a super-2 number, since 2×36621165² = 2682219451914450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36621163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460 + ... + 8570.

It is an arithmetic number, because the mean of its divisors is an integer number (2141568).

Almost surely, 2^36621165 is an apocalyptic number.

36621165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36621165 is a deficient number, since it is larger than the sum of its proper divisors (31909011).

36621165 is a wasteful number, since it uses less digits than its factorization.

36621165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8169.

The product of its digits is 6480, while the sum is 30.

The square root of 36621165 is about 6051.5423653809. The cubic root of 36621165 is about 332.0810182349.

The spelling of 36621165 in words is "thirty-six million, six hundred twenty-one thousand, one hundred sixty-five".