2161132442402 has 16 divisors (see below), whose sum is σ = 3412343700000. Its totient is φ = 1023685519680.

The previous prime is 2161132442333. The next prime is 2161132442423. The reversal of 2161132442402 is 2042442311612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7118777 + ... + 7416147.

It is an arithmetic number, because the mean of its divisors is an integer number (213271481250).

Almost surely, 2^{2161132442402} is an apocalyptic number.

2161132442402 is a deficient number, since it is larger than the sum of its proper divisors (1251211257598).

2161132442402 is a wasteful number, since it uses less digits than its factorization.

2161132442402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488641.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 2161132442402 in words is "two trillion, one hundred sixty-one billion, one hundred thirty-two million, four hundred forty-two thousand, four hundred two".