61560288384 has 192 divisors, whose sum is σ = 190854084960. Its totient is φ = 17529716736.

The previous prime is 61560288373. The next prime is 61560288397. The reversal of 61560288384 is 48388206516.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5771184 + ... + 5781840.

Almost surely, 2^61560288384 is an apocalyptic number.

61560288384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61560288384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95427042480).

61560288384 is an abundant number, since it is smaller than the sum of its proper divisors (129293796576).

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

61560288384 is a wasteful number, since it uses less digits than its factorization.

61560288384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10995 (or 10976 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 61560288384 in words is "sixty-one billion, five hundred sixty million, two hundred eighty-eight thousand, three hundred eighty-four".