2163320642 has 16 divisors (see below), whose sum is σ = 3727190400. Its totient is φ = 922477248.

The previous prime is 2163320573. The next prime is 2163320651. The reversal of 2163320642 is 2460233612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385463 + ... + 391034.

It is an arithmetic number, because the mean of its divisors is an integer number (232949400).

Almost surely, 2^2163320642 is an apocalyptic number.

2163320642 is a deficient number, since it is larger than the sum of its proper divisors (1563869758).

2163320642 is a wasteful number, since it uses less digits than its factorization.

2163320642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776705.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2163320642 is about 46511.5108548411. The cubic root of 2163320642 is about 1293.3228921082.

The spelling of 2163320642 in words is "two billion, one hundred sixty-three million, three hundred twenty thousand, six hundred forty-two".