321162556047 has 8 divisors (see below), whose sum is σ = 428219371440. Its totient is φ = 214107055680.

The previous prime is 321162555991. The next prime is 321162556049. The reversal of 321162556047 is 740655261123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 321162556047 - 2⁶ = 321162555983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321162556049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709797 + ... + 1070577.

It is an arithmetic number, because the mean of its divisors is an integer number (53527421430).

Almost surely, 2^321162556047 is an apocalyptic number.

321162556047 is a deficient number, since it is larger than the sum of its proper divisors (107056815393).

321162556047 is a wasteful number, since it uses less digits than its factorization.

321162556047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657513.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 321162556047 in words is "three hundred twenty-one billion, one hundred sixty-two million, five hundred fifty-six thousand, forty-seven".