61795995616 has 24 divisors (see below), whose sum is σ = 122057175240. Its totient is φ = 30797347968.

The previous prime is 61795995577. The next prime is 61795995619. The reversal of 61795995616 is 61659959716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61795995619) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3135331 + ... + 3154978.

It is an arithmetic number, because the mean of its divisors is an integer number (5085715635).

Almost surely, 2^61795995616 is an apocalyptic number.

It is an amenable number.

61795995616 is a deficient number, since it is larger than the sum of its proper divisors (60261179624).

61795995616 is a wasteful number, since it uses less digits than its factorization.

61795995616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6290626 (or 6290618 counting only the distinct ones).

The product of its digits is 27556200, while the sum is 64.

The spelling of 61795995616 in words is "sixty-one billion, seven hundred ninety-five million, nine hundred ninety-five thousand, six hundred sixteen".