61413991796 has 24 divisors (see below), whose sum is σ = 108837906240. Its totient is φ = 30317913792.

The previous prime is 61413991711. The next prime is 61413991817. The reversal of 61413991796 is 69719931416.

It is a happy number.

61413991796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 476705 + ... + 591671.

It is an arithmetic number, because the mean of its divisors is an integer number (4534912760).

Almost surely, 2^61413991796 is an apocalyptic number.

It is an amenable number.

61413991796 is a deficient number, since it is larger than the sum of its proper divisors (47423914444).

61413991796 is a wasteful number, since it uses less digits than its factorization.

61413991796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116663 (or 116661 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 56.

The spelling of 61413991796 in words is "sixty-one billion, four hundred thirteen million, nine hundred ninety-one thousand, seven hundred ninety-six".