2171632320330 has 32 divisors (see below), whose sum is σ = 5685728257728. Its totient is φ = 526456320000.

The previous prime is 2171632320329. The next prime is 2171632320337. The reversal of 2171632320330 is 330232361712.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 2171632320291 and 2171632320300.

It is not an unprimeable number, because it can be changed into a prime (2171632320337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3290351671 + ... + 3290352330.

It is an arithmetic number, because the mean of its divisors is an integer number (177679008054).

Almost surely, 2^{2171632320330} is an apocalyptic number.

2171632320330 is an abundant number, since it is smaller than the sum of its proper divisors (3514095937398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2171632320330 is a wasteful number, since it uses less digits than its factorization.

2171632320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6580704022.

The product of its (nonzero) digits is 27216, while the sum is 33.

The spelling of 2171632320330 in words is "two trillion, one hundred seventy-one billion, six hundred thirty-two million, three hundred twenty thousand, three hundred thirty".