643114346162 has 16 divisors (see below), whose sum is σ = 967322784600. Its totient is φ = 320674163712.

The previous prime is 643114346159. The next prime is 643114346179. The reversal of 643114346162 is 261643411346.

643114346162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 577966378081 + 65147968081 = 760241^2 + 255241^2 .

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, 1550588 + ... + 1921080.

Almost surely, 2^643114346162 is an apocalyptic number.

643114346162 is a deficient number, since it is larger than the sum of its proper divisors (324208438438).

643114346162 is a wasteful number, since it uses less digits than its factorization.

643114346162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372877.

The product of its digits is 248832, while the sum is 41.

The spelling of 643114346162 in words is "six hundred forty-three billion, one hundred fourteen million, three hundred forty-six thousand, one hundred sixty-two".