61368234847216 has 160 divisors (see below), whose sum is σ = 136867334929920. Its totient is φ = 26383353216000.

The previous prime is 61368234847159. The next prime is 61368234847219. The reversal of 61368234847216 is 61274843286316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61368234847219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315942415 + ... + 316136593.

It is an arithmetic number, because the mean of its divisors is an integer number (855420843312).

Almost surely, 2^{61368234847216} 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 61368234847216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68433667464960).

61368234847216 is an abundant number, since it is smaller than the sum of its proper divisors (75499100082704).

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

61368234847216 is a wasteful number, since it uses less digits than its factorization.

61368234847216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195095 (or 195089 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 61.

The spelling of 61368234847216 in words is "sixty-one trillion, three hundred sixty-eight billion, two hundred thirty-four million, eight hundred forty-seven thousand, two hundred sixteen".