646432265146633 has 32 divisors (see below), whose sum is σ = 764723873698560. Its totient is φ = 534650177967360.

The previous prime is 646432265146541. The next prime is 646432265146649. The reversal of 646432265146633 is 336641562234646.

It is not a de Polignac number, because 646432265146633 - 2¹³ = 646432265138441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (646432265146033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7342689891 + ... + 7342777927.

It is an arithmetic number, because the mean of its divisors is an integer number (23897621053080).

Almost surely, 2^{646432265146633} is an apocalyptic number.

It is an amenable number.

646432265146633 is a deficient number, since it is larger than the sum of its proper divisors (118291608551927).

646432265146633 is a wasteful number, since it uses less digits than its factorization.

646432265146633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109857.

The product of its digits is 268738560, while the sum is 61.

The spelling of 646432265146633 in words is "six hundred forty-six trillion, four hundred thirty-two billion, two hundred sixty-five million, one hundred forty-six thousand, six hundred thirty-three".