36166668643 has 8 divisors (see below), whose sum is σ = 41719629312. Its totient is φ = 30710281416.

The previous prime is 36166668623. The next prime is 36166668653. The reversal of 36166668643 is 34686666163.

36166668643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 36166668643 - 2⁵ = 36166668611 is a prime.

It is a super-2 number, since 2×36166668643² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36166668613) 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, 24142555 + ... + 24144052.

It is an arithmetic number, because the mean of its divisors is an integer number (5214953664).

Almost surely, 2^36166668643 is an apocalyptic number.

36166668643 is a deficient number, since it is larger than the sum of its proper divisors (5552960669).

36166668643 is a wasteful number, since it uses less digits than its factorization.

36166668643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48286721.

The product of its digits is 13436928, while the sum is 55.

The spelling of 36166668643 in words is "thirty-six billion, one hundred sixty-six million, six hundred sixty-eight thousand, six hundred forty-three".