2161632311630 has 16 divisors (see below), whose sum is σ = 4244659812144. Its totient is φ = 786048113280.

The previous prime is 2161632311623. The next prime is 2161632311731. The reversal of 2161632311630 is 361132361612.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9825601307 + ... + 9825601526.

It is an arithmetic number, because the mean of its divisors is an integer number (265291238259).

Almost surely, 2^{2161632311630} is an apocalyptic number.

2161632311630 is a deficient number, since it is larger than the sum of its proper divisors (2083027500514).

2161632311630 is a wasteful number, since it uses less digits than its factorization.

2161632311630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19651202851.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 2161632311630 in words is "two trillion, one hundred sixty-one billion, six hundred thirty-two million, three hundred eleven thousand, six hundred thirty".