61339318896 has 40 divisors (see below), whose sum is σ = 159599923840. Its totient is φ = 20299340736.

The previous prime is 61339318891. The next prime is 61339318919. The reversal of 61339318896 is 69881393316.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61339318891) 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 7 ways as a sum of consecutive naturals, for example, 4590100 + ... + 4603443.

It is an arithmetic number, because the mean of its divisors is an integer number (3989998096).

Almost surely, 2^61339318896 is an apocalyptic number.

It is an amenable number.

61339318896 is an abundant number, since it is smaller than the sum of its proper divisors (98260604944).

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

61339318896 is a wasteful number, since it uses less digits than its factorization.

61339318896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193693 (or 9193687 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 57.

The spelling of 61339318896 in words is "sixty-one billion, three hundred thirty-nine million, three hundred eighteen thousand, eight hundred ninety-six".