36916004561 has 8 divisors (see below), whose sum is σ = 37995994344. Its totient is φ = 35840344320.

The previous prime is 36916004513. The next prime is 36916004579. The reversal of 36916004561 is 16540061963.

It can be written as a sum of positive squares in 4 ways, for example, as 7762491025 + 29153513536 = 88105^2 + 170744^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36916004561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36916004591) 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, 1065080 + ... + 1099193.

It is an arithmetic number, because the mean of its divisors is an integer number (4749499293).

Almost surely, 2^36916004561 is an apocalyptic number.

It is an amenable number.

36916004561 is a deficient number, since it is larger than the sum of its proper divisors (1079989783).

36916004561 is a wasteful number, since it uses less digits than its factorization.

36916004561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164771.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 36916004561 in words is "thirty-six billion, nine hundred sixteen million, four thousand, five hundred sixty-one".