646234116333 has 16 divisors (see below), whose sum is σ = 982509788736. Its totient is φ = 374289442560.

The previous prime is 646234116317. The next prime is 646234116413. The reversal of 646234116333 is 333611432646.

646234116333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 646234116333 - 2⁴ = 646234116317 is a prime.

It is a super-2 number, since 2×646234116333² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646234116833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487355383 + ... + 487356708.

It is an arithmetic number, because the mean of its divisors is an integer number (61406861796).

Almost surely, 2^646234116333 is an apocalyptic number.

It is an amenable number.

646234116333 is a deficient number, since it is larger than the sum of its proper divisors (336275672403).

646234116333 is a wasteful number, since it uses less digits than its factorization.

646234116333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974712124.

The product of its digits is 559872, while the sum is 42.

Adding to 646234116333 its reverse (333611432646), we get a palindrome (979845548979).

The spelling of 646234116333 in words is "six hundred forty-six billion, two hundred thirty-four million, one hundred sixteen thousand, three hundred thirty-three".