6646967254 has 16 divisors (see below), whose sum is σ = 10102302720. Its totient is φ = 3279580200.

The previous prime is 6646967203. The next prime is 6646967263. The reversal of 6646967254 is 4527696466.

It is a junction number, because it is equal to n+sod(n) for n = 6646967195 and 6646967204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297477 + ... + 319039.

It is an arithmetic number, because the mean of its divisors is an integer number (631393920).

Almost surely, 2^6646967254 is an apocalyptic number.

6646967254 is a deficient number, since it is larger than the sum of its proper divisors (3455335466).

6646967254 is a wasteful number, since it uses less digits than its factorization.

6646967254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23595.

The product of its digits is 13063680, while the sum is 55.

The square root of 6646967254 is about 81528.9350721571. The cubic root of 6646967254 is about 1880.2164431275.

The spelling of 6646967254 in words is "six billion, six hundred forty-six million, nine hundred sixty-seven thousand, two hundred fifty-four".