61636027056 has 40 divisors (see below), whose sum is σ = 167606742720. Its totient is φ = 19464008256.

The previous prime is 61636026983. The next prime is 61636027069. The reversal of 61636027056 is 65072063616.

It is a junction number, because it is equal to n+sod(n) for n = 61636026999 and 61636027017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33790770 + ... + 33792593.

It is an arithmetic number, because the mean of its divisors is an integer number (4190168568).

Almost surely, 2^61636027056 is an apocalyptic number.

It is an amenable number.

61636027056 is an abundant number, since it is smaller than the sum of its proper divisors (105970715664).

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

61636027056 is a wasteful number, since it uses less digits than its factorization.

61636027056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67583393 (or 67583387 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 61636027056 in words is "sixty-one billion, six hundred thirty-six million, twenty-seven thousand, fifty-six".