6406500131206 has 16 divisors (see below), whose sum is σ = 10989431511840. Its totient is φ = 2743927948800.

The previous prime is 6406500131203. The next prime is 6406500131219. The reversal of 6406500131206 is 6021310056046.

It is a super-2 number, since 2×6406500131206² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6406500131203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142890501 + ... + 142935328.

It is an arithmetic number, because the mean of its divisors is an integer number (686839469490).

Almost surely, 2^{6406500131206} is an apocalyptic number.

6406500131206 is a deficient number, since it is larger than the sum of its proper divisors (4582931380634).

6406500131206 is a wasteful number, since it uses less digits than its factorization.

6406500131206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285827439.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 6406500131206 in words is "six trillion, four hundred six billion, five hundred million, one hundred thirty-one thousand, two hundred six".