140680066668 has 24 divisors (see below), whose sum is σ = 337125205872. Its totient is φ = 45625967424.

The previous prime is 140680066609. The next prime is 140680066733. The reversal of 140680066668 is 866660086041.

It is a self number, because there is not a number n which added to its sum of digits gives 140680066668.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158423055 + ... + 158423942.

It is an arithmetic number, because the mean of its divisors is an integer number (14046883578).

Almost surely, 2^140680066668 is an apocalyptic number.

It is an amenable number.

140680066668 is an abundant number, since it is smaller than the sum of its proper divisors (196445139204).

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

140680066668 is a wasteful number, since it uses less digits than its factorization.

140680066668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316847041 (or 316847039 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 140680066668 in words is "one hundred forty billion, six hundred eighty million, sixty-six thousand, six hundred sixty-eight".