61548744784516 has 12 divisors (see below), whose sum is σ = 117502149134160. Its totient is φ = 27976702174760.

The previous prime is 61548744784511. The next prime is 61548744784529.

61548744784516 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×61548744784516² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61548744784511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699417554326 + ... + 699417554413.

It is an arithmetic number, because the mean of its divisors is an integer number (9791845761180).

Almost surely, 2^{61548744784516} is an apocalyptic number.

It is an amenable number.

61548744784516 is a deficient number, since it is larger than the sum of its proper divisors (55953404349644).

61548744784516 is a wasteful number, since it uses less digits than its factorization.

61548744784516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398835108754 (or 1398835108752 counting only the distinct ones).

The product of its digits is 722534400, while the sum is 70.

The spelling of 61548744784516 in words is "sixty-one trillion, five hundred forty-eight billion, seven hundred forty-four million, seven hundred eighty-four thousand, five hundred sixteen".