36131600691 has 16 divisors (see below), whose sum is σ = 53562916000. Its totient is φ = 24072155424.

The previous prime is 36131600653. The next prime is 36131600693. The reversal of 36131600691 is 19600613163.

36131600691 is a `hidden beast` number, since 36 + 13 + 1 + 600 + 6 + 9 + 1 = 666.

36131600691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36131600691 - 2⁷ = 36131600563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36131600693) 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, 390136 + ... + 473781.

It is an arithmetic number, because the mean of its divisors is an integer number (3347682250).

Almost surely, 2^36131600691 is an apocalyptic number.

36131600691 is a deficient number, since it is larger than the sum of its proper divisors (17431315309).

36131600691 is a wasteful number, since it uses less digits than its factorization.

36131600691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865475 (or 865469 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 36131600691 in words is "thirty-six billion, one hundred thirty-one million, six hundred thousand, six hundred ninety-one".