6700168644 has 24 divisors (see below), whose sum is σ = 16836321600. Its totient is φ = 2061590304.

The previous prime is 6700168637. The next prime is 6700168669. The reversal of 6700168644 is 4468610076.

It is a junction number, because it is equal to n+sod(n) for n = 6700168596 and 6700168605.

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, 21474744 + ... + 21475055.

It is an arithmetic number, because the mean of its divisors is an integer number (701513400).

Almost surely, 2^6700168644 is an apocalyptic number.

It is an amenable number.

6700168644 is an abundant number, since it is smaller than the sum of its proper divisors (10136152956).

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

6700168644 is a wasteful number, since it uses less digits than its factorization.

6700168644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42949819 (or 42949817 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 6700168644 is about 81854.5578694308. The cubic root of 6700168644 is about 1885.2194482157.

The spelling of 6700168644 in words is "six billion, seven hundred million, one hundred sixty-eight thousand, six hundred forty-four".