6406006643160 has 64 divisors (see below), whose sum is σ = 19737425887200. Its totient is φ = 1662099019776.

The previous prime is 6406006643159. The next prime is 6406006643173. The reversal of 6406006643160 is 613466006046.

It is a super-2 number, since 2×6406006643160² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721392705 + ... + 721401584.

Almost surely, 2^{6406006643160} is an apocalyptic number.

6406006643160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6406006643160 is an abundant number, since it is smaller than the sum of its proper divisors (13331419244040).

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

6406006643160 is a wasteful number, since it uses less digits than its factorization.

6406006643160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442794340 (or 1442794336 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 6406006643160 in words is "six trillion, four hundred six billion, six million, six hundred forty-three thousand, one hundred sixty".