156544653498668 has 6 divisors (see below), whose sum is σ = 273953143622676. Its totient is φ = 78272326749332.

The previous prime is 156544653498473. The next prime is 156544653498671. The reversal of 156544653498668 is 866894356445651.

It is a junction number, because it is equal to n+sod(n) for n = 156544653498592 and 156544653498601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19568081687330 + ... + 19568081687337.

It is an arithmetic number, because the mean of its divisors is an integer number (45658857270446).

Almost surely, 2^{156544653498668} is an apocalyptic number.

It is an amenable number.

156544653498668 is a deficient number, since it is larger than the sum of its proper divisors (117408490124008).

156544653498668 is a wasteful number, since it uses less digits than its factorization.

156544653498668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39136163374671 (or 39136163374669 counting only the distinct ones).

The product of its digits is 17915904000, while the sum is 80.

The spelling of 156544653498668 in words is "one hundred fifty-six trillion, five hundred forty-four billion, six hundred fifty-three million, four hundred ninety-eight thousand, six hundred sixty-eight".