6671418528 has 96 divisors (see below), whose sum is σ = 18624634560. Its totient is φ = 2083737600.

The previous prime is 6671418527. The next prime is 6671418557. The reversal of 6671418528 is 8258141766.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (6671418527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364803 + ... + 382653.

It is an arithmetic number, because the mean of its divisors is an integer number (194006610).

Almost surely, 2^6671418528 is an apocalyptic number.

6671418528 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6671418528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9312317280).

6671418528 is an abundant number, since it is smaller than the sum of its proper divisors (11953216032).

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

6671418528 is a wasteful number, since it uses less digits than its factorization.

6671418528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18110 (or 18102 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 6671418528 is about 81678.7519983012. The cubic root of 6671418528 is about 1882.5191188322.

The spelling of 6671418528 in words is "six billion, six hundred seventy-one million, four hundred eighteen thousand, five hundred twenty-eight".