36818764661 has 16 divisors (see below), whose sum is σ = 44611929600. Its totient is φ = 29682836208.

The previous prime is 36818764649. The next prime is 36818764673. The reversal of 36818764661 is 16646781863.

It is an interprime number because it is at equal distance from previous prime (36818764649) and next prime (36818764673).

It is a cyclic number.

It is not a de Polignac number, because 36818764661 - 2⁶ = 36818764597 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 36818764597 and 36818764606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36818764561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 977315 + ... + 1014288.

It is an arithmetic number, because the mean of its divisors is an integer number (2788245600).

Almost surely, 2^36818764661 is an apocalyptic number.

It is an amenable number.

36818764661 is a deficient number, since it is larger than the sum of its proper divisors (7793164939).

36818764661 is a wasteful number, since it uses less digits than its factorization.

36818764661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991768.

The product of its digits is 6967296, while the sum is 56.

The spelling of 36818764661 in words is "thirty-six billion, eight hundred eighteen million, seven hundred sixty-four thousand, six hundred sixty-one".