36617316661 has 4 divisors (see below), whose sum is σ = 36742290732. Its totient is φ = 36492342592.

The previous prime is 36617316643. The next prime is 36617316689. The reversal of 36617316661 is 16661371663.

36617316661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23499050436 + 13118266225 = 153294^2 + 114535^2 .

It is a cyclic number.

It is not a de Polignac number, because 36617316661 - 2²⁷ = 36483098933 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 (36617316601) 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, 62486596 + ... + 62487181.

It is an arithmetic number, because the mean of its divisors is an integer number (9185572683).

Almost surely, 2^36617316661 is an apocalyptic number.

It is an amenable number.

36617316661 is a deficient number, since it is larger than the sum of its proper divisors (124974071).

36617316661 is a wasteful number, since it uses less digits than its factorization.

36617316661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124974070.

The product of its digits is 489888, while the sum is 46.

The spelling of 36617316661 in words is "thirty-six billion, six hundred seventeen million, three hundred sixteen thousand, six hundred sixty-one".