643054116300102 has 64 divisors (see below), whose sum is σ = 1542406817871360. Its totient is φ = 197416162019232.

The previous prime is 643054116300083. The next prime is 643054116300103. The reversal of 643054116300102 is 201003611450346.

643054116300102 is a `hidden beast` number, since 6 + 4 + 3 + 0 + 5 + 4 + 1 + 1 + 630 + 0 + 10 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (643054116300103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1033584618 + ... + 1034206589.

It is an arithmetic number, because the mean of its divisors is an integer number (24100106529240).

Almost surely, 2^{643054116300102} is an apocalyptic number.

643054116300102 is an abundant number, since it is smaller than the sum of its proper divisors (899352701571258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

643054116300102 is a wasteful number, since it uses less digits than its factorization.

643054116300102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067791674 (or 2067791668 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 643054116300102 its reverse (201003611450346), we get a palindrome (844057727750448).

The spelling of 643054116300102 in words is "six hundred forty-three trillion, fifty-four billion, one hundred sixteen million, three hundred thousand, one hundred two".