60686999081280 has 1176 divisors, whose sum is σ = 255946584615840. Its totient is φ = 13580210442240.

The previous prime is 60686999081263. The next prime is 60686999081321. The reversal of 60686999081280 is 8218099968606.

60686999081280 is a `hidden beast` number, since 606 + 8 + 6 + 9 + 9 + 9 + 0 + 8 + 1 + 2 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 60686999081199 and 60686999081208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 433597551 + ... + 433737489.

Almost surely, 2^{60686999081280} is an apocalyptic number.

60686999081280 is a gapful number since it is divisible by the number (60) 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 60686999081280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127973292307920).

60686999081280 is an abundant number, since it is smaller than the sum of its proper divisors (195259585534560).

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

60686999081280 is a wasteful number, since it uses less digits than its factorization.

60686999081280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140011 (or 139973 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 72.

The spelling of 60686999081280 in words is "sixty trillion, six hundred eighty-six billion, nine hundred ninety-nine million, eighty-one thousand, two hundred eighty".