6665152060650 has 96 divisors (see below), whose sum is σ = 16844909713920. Its totient is φ = 1743480910080.

The previous prime is 6665152060639. The next prime is 6665152060657. The reversal of 6665152060650 is 560602515666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6665152060650.

It is not an unprimeable number, because it can be changed into a prime (6665152060657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39849396 + ... + 40016304.

It is an arithmetic number, because the mean of its divisors is an integer number (175467809520).

Almost surely, 2^{6665152060650} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6665152060650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8422454856960).

6665152060650 is an abundant number, since it is smaller than the sum of its proper divisors (10179757653270).

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

6665152060650 is a wasteful number, since it uses less digits than its factorization.

6665152060650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172000 (or 171995 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 6665152060650 in words is "six trillion, six hundred sixty-five billion, one hundred fifty-two million, sixty thousand, six hundred fifty".