61613305014320 has 20 divisors (see below), whose sum is σ = 143250934158480. Its totient is φ = 24645322005696.

The previous prime is 61613305014091. The next prime is 61613305014353. The reversal of 61613305014320 is 2341050331616.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385083156260 + ... + 385083156419.

It is an arithmetic number, because the mean of its divisors is an integer number (7162546707924).

Almost surely, 2^{61613305014320} is an apocalyptic number.

It is an amenable number.

61613305014320 is an abundant number, since it is smaller than the sum of its proper divisors (81637629144160).

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

61613305014320 is a wasteful number, since it uses less digits than its factorization.

61613305014320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770166312692 (or 770166312686 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 61613305014320 its reverse (2341050331616), we get a palindrome (63954355345936).

The spelling of 61613305014320 in words is "sixty-one trillion, six hundred thirteen billion, three hundred five million, fourteen thousand, three hundred twenty".