6516550501002 has 96 divisors (see below), whose sum is σ = 15308924379840. Its totient is φ = 1996573536000.

The previous prime is 6516550501001. The next prime is 6516550501073. The reversal of 6516550501002 is 2001050556156.

6516550501002 is a `hidden beast` number, since 6 + 51 + 6 + 550 + 50 + 1 + 0 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (6516550501001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1254177 + ... + 3821787.

It is an arithmetic number, because the mean of its divisors is an integer number (159467962290).

Almost surely, 2^{6516550501002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6516550501002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7654462189920).

6516550501002 is an abundant number, since it is smaller than the sum of its proper divisors (8792373878838).

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

6516550501002 is a wasteful number, since it uses less digits than its factorization.

6516550501002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567860 (or 2567857 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 6516550501002 in words is "six trillion, five hundred sixteen billion, five hundred fifty million, five hundred one thousand, two".