36666716867 has 4 divisors (see below), whose sum is σ = 40000054776. Its totient is φ = 33333378960.

The previous prime is 36666716837. The next prime is 36666716869. The reversal of 36666716867 is 76861766663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36666716867 - 2⁶ = 36666716803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36666716869) 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, 1666668938 + ... + 1666668959.

It is an arithmetic number, because the mean of its divisors is an integer number (10000013694).

Almost surely, 2^36666716867 is an apocalyptic number.

36666716867 is a deficient number, since it is larger than the sum of its proper divisors (3333337909).

36666716867 is a wasteful number, since it uses less digits than its factorization.

36666716867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333337908.

The product of its digits is 54867456, while the sum is 62.

The spelling of 36666716867 in words is "thirty-six billion, six hundred sixty-six million, seven hundred sixteen thousand, eight hundred sixty-seven".