6667995936 has 48 divisors (see below), whose sum is σ = 20003989824. Its totient is φ = 1905141504.

The previous prime is 6667995899. The next prime is 6667995937. The reversal of 6667995936 is 6395997666.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (6667995937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4960635 + ... + 4961978.

It is an arithmetic number, because the mean of its divisors is an integer number (416749788).

Almost surely, 2^6667995936 is an apocalyptic number.

It is an amenable number.

6667995936 is an abundant number, since it is smaller than the sum of its proper divisors (13335993888).

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

6667995936 is a wasteful number, since it uses less digits than its factorization.

6667995936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922633 (or 9922625 counting only the distinct ones).

The product of its digits is 99202320, while the sum is 66.

The square root of 6667995936 is about 81657.7977660431. The cubic root of 6667995936 is about 1882.1971384826.

The spelling of 6667995936 in words is "six billion, six hundred sixty-seven million, nine hundred ninety-five thousand, nine hundred thirty-six".