667038041868 has 48 divisors (see below), whose sum is σ = 1715419327104. Its totient is φ = 200048893440.

The previous prime is 667038041849. The next prime is 667038041899. The reversal of 667038041868 is 868140830766.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26035230 + ... + 26060837.

It is an arithmetic number, because the mean of its divisors is an integer number (35737902648).

Almost surely, 2^667038041868 is an apocalyptic number.

It is an amenable number.

667038041868 is an abundant number, since it is smaller than the sum of its proper divisors (1048381285236).

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

667038041868 is a wasteful number, since it uses less digits than its factorization.

667038041868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52096182 (or 52096180 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 667038041868 in words is "six hundred sixty-seven billion, thirty-eight million, forty-one thousand, eight hundred sixty-eight".