6647854587466 has 8 divisors (see below), whose sum is σ = 9974750567040. Its totient is φ = 3322937731788.

The previous prime is 6647854587383. The next prime is 6647854587541.

6647854587466 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6647854587392 and 6647854587401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494772576 + ... + 494786011.

It is an arithmetic number, because the mean of its divisors is an integer number (1246843820880).

Almost surely, 2^{6647854587466} is an apocalyptic number.

6647854587466 is a deficient number, since it is larger than the sum of its proper divisors (3326895979574).

6647854587466 is a wasteful number, since it uses less digits than its factorization.

6647854587466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989561948.

The product of its digits is 6502809600, while the sum is 76.

The spelling of 6647854587466 in words is "six trillion, six hundred forty-seven billion, eight hundred fifty-four million, five hundred eighty-seven thousand, four hundred sixty-six".