646331042162235 has 8 divisors (see below), whose sum is σ = 1034129667459600. Its totient is φ = 344709889153184.

The previous prime is 646331042162189. The next prime is 646331042162279. The reversal of 646331042162235 is 532261240133646.

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

It is a cyclic number.

It is not a de Polignac number, because 646331042162235 - 2⁸ = 646331042161979 is a prime.

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, 21544368072060 + ... + 21544368072089.

It is an arithmetic number, because the mean of its divisors is an integer number (129266208432450).

Almost surely, 2^{646331042162235} is an apocalyptic number.

646331042162235 is a deficient number, since it is larger than the sum of its proper divisors (387798625297365).

646331042162235 is a wasteful number, since it uses less digits than its factorization.

646331042162235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43088736144157.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 646331042162235 in words is "six hundred forty-six trillion, three hundred thirty-one billion, forty-two million, one hundred sixty-two thousand, two hundred thirty-five".