675668140488 has 128 divisors (see below), whose sum is σ = 2073397248000. Its totient is φ = 202156119360.

The previous prime is 675668140481. The next prime is 675668140507. The reversal of 675668140488 is 884041866576.

675668140488 is a `hidden beast` number, since 6 + 7 + 5 + 6 + 6 + 8 + 140 + 488 = 666.

It is not an unprimeable number, because it can be changed into a prime (675668140481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1612120 + ... + 1987527.

It is an arithmetic number, because the mean of its divisors is an integer number (16198416000).

Almost surely, 2^675668140488 is an apocalyptic number.

It is an amenable number.

675668140488 is an abundant number, since it is smaller than the sum of its proper divisors (1397729107512).

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

675668140488 is a wasteful number, since it uses less digits than its factorization.

675668140488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599752 (or 3599742 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 63.

The spelling of 675668140488 in words is "six hundred seventy-five billion, six hundred sixty-eight million, one hundred forty thousand, four hundred eighty-eight".