6662011215607 has 8 divisors (see below), whose sum is σ = 7422279420672. Its totient is φ = 5927514814200.

The previous prime is 6662011215593. The next prime is 6662011215683. The reversal of 6662011215607 is 7065121102666.

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

It is a cyclic number.

It is not a de Polignac number, because 6662011215607 - 2¹⁵ = 6662011182839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662011215007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6442950369 + ... + 6442951402.

It is an arithmetic number, because the mean of its divisors is an integer number (927784927584).

Almost surely, 2^{6662011215607} is an apocalyptic number.

6662011215607 is a deficient number, since it is larger than the sum of its proper divisors (760268205065).

6662011215607 is a wasteful number, since it uses less digits than its factorization.

6662011215607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12885901829.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 6662011215607 in words is "six trillion, six hundred sixty-two billion, eleven million, two hundred fifteen thousand, six hundred seven".