2163120453406 has 16 divisors (see below), whose sum is σ = 3548893575168. Its totient is φ = 980669368600.

The previous prime is 2163120453397. The next prime is 2163120453443. The reversal of 2163120453406 is 6043540213612.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 128351440 + ... + 128368291.

It is an arithmetic number, because the mean of its divisors is an integer number (221805848448).

Almost surely, 2^{2163120453406} is an apocalyptic number.

2163120453406 is a deficient number, since it is larger than the sum of its proper divisors (1385773121762).

2163120453406 is a wasteful number, since it uses less digits than its factorization.

2163120453406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256720127.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 2163120453406 in words is "two trillion, one hundred sixty-three billion, one hundred twenty million, four hundred fifty-three thousand, four hundred six".