2161116662330 has 64 divisors (see below), whose sum is σ = 3943538818560. Its totient is φ = 852629068800.

The previous prime is 2161116662329. The next prime is 2161116662357. The reversal of 2161116662330 is 332666111612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464055362 + ... + 464060018.

It is an arithmetic number, because the mean of its divisors is an integer number (61617794040).

Almost surely, 2^{2161116662330} is an apocalyptic number.

2161116662330 is a deficient number, since it is larger than the sum of its proper divisors (1782422156230).

2161116662330 is a wasteful number, since it uses less digits than its factorization.

2161116662330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 2161116662330 in words is "two trillion, one hundred sixty-one billion, one hundred sixteen million, six hundred sixty-two thousand, three hundred thirty".