321160052078 has 16 divisors (see below), whose sum is σ = 484862163840. Its totient is φ = 159540624096.

The previous prime is 321160052077. The next prime is 321160052099. The reversal of 321160052078 is 870250061123.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321160052077) 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, 175376 + ... + 820412.

It is an arithmetic number, because the mean of its divisors is an integer number (30303885240).

Almost surely, 2^321160052078 is an apocalyptic number.

321160052078 is a deficient number, since it is larger than the sum of its proper divisors (163702111762).

321160052078 is a wasteful number, since it uses less digits than its factorization.

321160052078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646651.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 321160052078 in words is "three hundred twenty-one billion, one hundred sixty million, fifty-two thousand, seventy-eight".