6405166252113 has 16 divisors (see below), whose sum is σ = 8873631535680. Its totient is φ = 4104703217216.

The previous prime is 6405166252097. The next prime is 6405166252117. The reversal of 6405166252113 is 3112526615046.

It is a cyclic number.

It is not a de Polignac number, because 6405166252113 - 2⁴ = 6405166252097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6405166252117) 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, 162144570 + ... + 162184067.

It is an arithmetic number, because the mean of its divisors is an integer number (554601970980).

Almost surely, 2^{6405166252113} is an apocalyptic number.

It is an amenable number.

6405166252113 is a deficient number, since it is larger than the sum of its proper divisors (2468465283567).

6405166252113 is a wasteful number, since it uses less digits than its factorization.

6405166252113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324328896.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 6405166252113 in words is "six trillion, four hundred five billion, one hundred sixty-six million, two hundred fifty-two thousand, one hundred thirteen".