6620671115106 has 32 divisors (see below), whose sum is σ = 13286129649408. Its totient is φ = 2199427595280.

The previous prime is 6620671115083. The next prime is 6620671115141. The reversal of 6620671115106 is 6015111760266.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14831041 + ... + 15270923.

It is an arithmetic number, because the mean of its divisors is an integer number (415191551544).

Almost surely, 2^{6620671115106} is an apocalyptic number.

6620671115106 is an abundant number, since it is smaller than the sum of its proper divisors (6665458534302).

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

6620671115106 is a wasteful number, since it uses less digits than its factorization.

6620671115106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448366.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 6620671115106 in words is "six trillion, six hundred twenty billion, six hundred seventy-one million, one hundred fifteen thousand, one hundred six".