1600159955656 has 8 divisors (see below), whose sum is σ = 3000299916870. Its totient is φ = 800079977824.

The previous prime is 1600159955651. The next prime is 1600159955683. The reversal of 1600159955656 is 6565599510061.

It can be written as a sum of positive squares in only one way, i.e., 1276018752100 + 324141203556 = 1129610^2 + 569334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1600159955656.

It is not an unprimeable number, because it can be changed into a prime (1600159955651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100009997221 + ... + 100009997236.

Almost surely, 2^{1600159955656} is an apocalyptic number.

It is an amenable number.

1600159955656 is a deficient number, since it is larger than the sum of its proper divisors (1400139961214).

1600159955656 is a wasteful number, since it uses less digits than its factorization.

1600159955656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200019994463 (or 200019994459 counting only the distinct ones).

The product of its (nonzero) digits is 10935000, while the sum is 58.

The spelling of 1600159955656 in words is "one trillion, six hundred billion, one hundred fifty-nine million, nine hundred fifty-five thousand, six hundred fifty-six".