6740667164 has 144 divisors (see below), whose sum is σ = 16030224000. Its totient is φ = 2444964480.

The previous prime is 6740667151. The next prime is 6740667217. The reversal of 6740667164 is 4617660476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2415482 + ... + 2418270.

It is an arithmetic number, because the mean of its divisors is an integer number (111321000).

Almost surely, 2^6740667164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6740667164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8015112000).

6740667164 is an abundant number, since it is smaller than the sum of its proper divisors (9289556836).

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

6740667164 is a wasteful number, since it uses less digits than its factorization.

6740667164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896 (or 2887 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The square root of 6740667164 is about 82101.5661482776. The cubic root of 6740667164 is about 1889.0101629884.

The spelling of 6740667164 in words is "six billion, seven hundred forty million, six hundred sixty-seven thousand, one hundred sixty-four".