6662515021199 has 8 divisors (see below), whose sum is σ = 6696939047040. Its totient is φ = 6628135502296.

The previous prime is 6662515021163. The next prime is 6662515021231. The reversal of 6662515021199 is 9911205152666.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6662515021199 is a prime.

It is a super-2 number, since 2×6662515021199² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6662515021199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662515021399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10826549 + ... + 11425374.

It is an arithmetic number, because the mean of its divisors is an integer number (837117380880).

Almost surely, 2^{6662515021199} is an apocalyptic number.

6662515021199 is a deficient number, since it is larger than the sum of its proper divisors (34424025841).

6662515021199 is a wasteful number, since it uses less digits than its factorization.

6662515021199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22253469.

The product of its (nonzero) digits is 1749600, while the sum is 53.

The spelling of 6662515021199 in words is "six trillion, six hundred sixty-two billion, five hundred fifteen million, twenty-one thousand, one hundred ninety-nine".