6400466361261 has 12 divisors (see below), whose sum is σ = 10565849231392. Its totient is φ = 3657409349256.

The previous prime is 6400466361137. The next prime is 6400466361277. The reversal of 6400466361261 is 1621636640046.

6400466361261 is a `hidden beast` number, since 6 + 4 + 0 + 0 + 4 + 6 + 636 + 1 + 2 + 6 + 1 = 666.

It is not a de Polignac number, because 6400466361261 - 2¹⁰ = 6400466360237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400466361361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50797352011 + ... + 50797352136.

Almost surely, 2^{6400466361261} is an apocalyptic number.

It is an amenable number.

6400466361261 is a deficient number, since it is larger than the sum of its proper divisors (4165382870131).

6400466361261 is a wasteful number, since it uses less digits than its factorization.

6400466361261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101594704160 (or 101594704157 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 6400466361261 in words is "six trillion, four hundred billion, four hundred sixty-six million, three hundred sixty-one thousand, two hundred sixty-one".