6691394102001 has 16 divisors (see below), whose sum is σ = 10200956012544. Its totient is φ = 3821949040464.

The previous prime is 6691394101979. The next prime is 6691394102051. The reversal of 6691394102001 is 1002014931966.

It is not a de Polignac number, because 6691394102001 - 2⁹ = 6691394101489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6691394102051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70982281 + ... + 71076486.

It is an arithmetic number, because the mean of its divisors is an integer number (637559750784).

Almost surely, 2^{6691394102001} is an apocalyptic number.

It is an amenable number.

6691394102001 is a deficient number, since it is larger than the sum of its proper divisors (3509561910543).

6691394102001 is a wasteful number, since it uses less digits than its factorization.

6691394102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142061020.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 6691394102001 in words is "six trillion, six hundred ninety-one billion, three hundred ninety-four million, one hundred two thousand, one".