61359083996 has 72 divisors (see below), whose sum is σ = 125611456320. Its totient is φ = 26149398912.

The previous prime is 61359083993. The next prime is 61359083999. The reversal of 61359083996 is 69938095316.

It is an interprime number because it is at equal distance from previous prime (61359083993) and next prime (61359083999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61359083993) 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 23 ways as a sum of consecutive naturals, for example, 46238285 + ... + 46239611.

It is an arithmetic number, because the mean of its divisors is an integer number (1744603560).

Almost surely, 2^61359083996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61359083996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62805728160).

61359083996 is an abundant number, since it is smaller than the sum of its proper divisors (64252372324).

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

61359083996 is a wasteful number, since it uses less digits than its factorization.

61359083996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491 (or 2482 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 59.

The spelling of 61359083996 in words is "sixty-one billion, three hundred fifty-nine million, eighty-three thousand, nine hundred ninety-six".