36555140660 has 24 divisors (see below), whose sum is σ = 77445143496. Its totient is φ = 14492656640.

The previous prime is 36555140653. The next prime is 36555140729. The reversal of 36555140660 is 6604155563.

It can be written as a sum of positive squares in 4 ways, for example, as 4741424164 + 31813716496 = 68858^2 + 178364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8085161 + ... + 8089680.

It is an arithmetic number, because the mean of its divisors is an integer number (3226880979).

Almost surely, 2^36555140660 is an apocalyptic number.

It is an amenable number.

36555140660 is an abundant number, since it is smaller than the sum of its proper divisors (40890002836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36555140660 is a wasteful number, since it uses less digits than its factorization.

36555140660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16174963 (or 16174961 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 36555140660 in words is "thirty-six billion, five hundred fifty-five million, one hundred forty thousand, six hundred sixty".