61548884516 has 48 divisors (see below), whose sum is σ = 127200192000. Its totient is φ = 26044147584.

The previous prime is 61548884513. The next prime is 61548884519.

61548884516 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (61548884513) and next prime (61548884519).

It is not an unprimeable number, because it can be changed into a prime (61548884513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175541 + ... + 392316.

It is an arithmetic number, because the mean of its divisors is an integer number (2650004000).

Almost surely, 2^61548884516 is an apocalyptic number.

It is an amenable number.

61548884516 is an abundant number, since it is smaller than the sum of its proper divisors (65651307484).

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

61548884516 is a wasteful number, since it uses less digits than its factorization.

61548884516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567961 (or 567945 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 56.

The spelling of 61548884516 in words is "sixty-one billion, five hundred forty-eight million, eight hundred eighty-four thousand, five hundred sixteen".