6948704664 has 128 divisors (see below), whose sum is σ = 21211372800. Its totient is φ = 2090200320.

The previous prime is 6948704663. The next prime is 6948704671. The reversal of 6948704664 is 4664078496.

6948704664 is a `hidden beast` number, since 69 + 487 + 0 + 46 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 6948704664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6948704663) 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, 314839 + ... + 336185.

It is an arithmetic number, because the mean of its divisors is an integer number (165713850).

Almost surely, 2^6948704664 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 6948704664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10605686400).

6948704664 is an abundant number, since it is smaller than the sum of its proper divisors (14262668136).

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

6948704664 is a wasteful number, since it uses less digits than its factorization.

6948704664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21510 (or 21500 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The square root of 6948704664 is about 83358.8907315830. The cubic root of 6948704664 is about 1908.2471298899.

The spelling of 6948704664 in words is "six billion, nine hundred forty-eight million, seven hundred four thousand, six hundred sixty-four".