68898271144 has 32 divisors (see below), whose sum is σ = 130331934720. Its totient is φ = 34143633216.

The previous prime is 68898271139. The next prime is 68898271153. The reversal of 68898271144 is 44117289886.

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, 995737 + ... + 1062679.

It is an arithmetic number, because the mean of its divisors is an integer number (4072872960).

Almost surely, 2^68898271144 is an apocalyptic number.

It is an amenable number.

68898271144 is a deficient number, since it is larger than the sum of its proper divisors (61433663576).

68898271144 is a wasteful number, since it uses less digits than its factorization.

68898271144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68089 (or 68085 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 58.

The spelling of 68898271144 in words is "sixty-eight billion, eight hundred ninety-eight million, two hundred seventy-one thousand, one hundred forty-four".