60561227776 has 102 divisors (see below), whose sum is σ = 140903946420. Its totient is φ = 25953435648.

The previous prime is 60561227773. The next prime is 60561227777. The reversal of 60561227776 is 67772216506.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (60561227773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3201835 + ... + 3220693.

Almost surely, 2^60561227776 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 60561227776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70451973210).

60561227776 is an abundant number, since it is smaller than the sum of its proper divisors (80342718644).

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

60561227776 is an frugal number, since it uses more digits than its factorization.

60561227776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18905 (or 18868 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 60561227776 in words is "sixty billion, five hundred sixty-one million, two hundred twenty-seven thousand, seven hundred seventy-six".