68486302156 has 6 divisors (see below), whose sum is σ = 119851028780. Its totient is φ = 34243151076.

The previous prime is 68486302147. The next prime is 68486302163. The reversal of 68486302156 is 65120368486.

It is a happy number.

68486302156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8560787766 + ... + 8560787773.

Almost surely, 2^68486302156 is an apocalyptic number.

It is an amenable number.

68486302156 is a deficient number, since it is larger than the sum of its proper divisors (51364726624).

68486302156 is a wasteful number, since it uses less digits than its factorization.

68486302156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17121575543 (or 17121575541 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 68486302156 in words is "sixty-eight billion, four hundred eighty-six million, three hundred two thousand, one hundred fifty-six".