6662252201779 has 4 divisors (see below), whose sum is σ = 6673374493200. Its totient is φ = 6651129910360.

The previous prime is 6662252201777. The next prime is 6662252201833. The reversal of 6662252201779 is 9771022522666.

It is a happy number.

6662252201779 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6662252201779 - 2¹ = 6662252201777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6662252201777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5561144812 + ... + 5561146009.

It is an arithmetic number, because the mean of its divisors is an integer number (1668343623300).

Almost surely, 2^{6662252201779} is an apocalyptic number.

6662252201779 is a deficient number, since it is larger than the sum of its proper divisors (11122291421).

6662252201779 is a wasteful number, since it uses less digits than its factorization.

6662252201779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11122291420.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 6662252201779 in words is "six trillion, six hundred sixty-two billion, two hundred fifty-two million, two hundred one thousand, seven hundred seventy-nine".