60866297856 has 756 divisors, whose sum is σ = 228644794602. Its totient is φ = 16052649984.

The previous prime is 60866297851. The next prime is 60866297873. The reversal of 60866297856 is 65879266806.

It can be written as a sum of positive squares in only one way, i.e., 58525286400 + 2341011456 = 241920^2 + 48384^2 .

It is a tau number, because it is divible by the number of its divisors (756).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 60866297793 and 60866297802.

It is not an unprimeable number, because it can be changed into a prime (60866297851) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 4682022906 + ... + 4682022918.

Almost surely, 2^60866297856 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 60866297856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114322397301).

60866297856 is an abundant number, since it is smaller than the sum of its proper divisors (167778496746).

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

60866297856 is an frugal number, since it uses more digits than its factorization.

60866297856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 60866297856 in words is "sixty billion, eight hundred sixty-six million, two hundred ninety-seven thousand, eight hundred fifty-six".