8662061287044 has 243 divisors, whose sum is σ = 25411439640951. Its totient is φ = 2485656629280.

The previous prime is 8662061287037. The next prime is 8662061287057. The reversal of 8662061287044 is 4407821602668.

It is a happy number.

The square root of 8662061287044 is 2943138.

It is a perfect power (a square), and thus also a powerful number.

8662061287044 is a `hidden beast` number, since 8 + 6 + 620 + 6 + 1 + 2 + 8 + 7 + 0 + 4 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3690693879 + ... + 3690696225.

Almost surely, 2^{8662061287044} is an apocalyptic number.

8662061287044 is the 2943138-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8662061287044

8662061287044 is an abundant number, since it is smaller than the sum of its proper divisors (16749378353907).

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

8662061287044 is a wasteful number, since it uses less digits than its factorization.

8662061287044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 8662061287044 in words is "eight trillion, six hundred sixty-two billion, sixty-one million, two hundred eighty-seven thousand, forty-four".