2163242156 has 12 divisors (see below), whose sum is σ = 3791677680. Its totient is φ = 1079905680.

The previous prime is 2163242149. The next prime is 2163242171. The reversal of 2163242156 is 6512423612.

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 3 ways as a sum of consecutive naturals, for example, 426011 + ... + 431058.

It is an arithmetic number, because the mean of its divisors is an integer number (315973140).

Almost surely, 2^2163242156 is an apocalyptic number.

It is an amenable number.

2163242156 is a deficient number, since it is larger than the sum of its proper divisors (1628435524).

2163242156 is a wasteful number, since it uses less digits than its factorization.

2163242156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857704 (or 857702 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 2163242156 is about 46510.6671205649. The cubic root of 2163242156 is about 1293.3072511893.

Adding to 2163242156 its reverse (6512423612), we get a palindrome (8675665768).

The spelling of 2163242156 in words is "two billion, one hundred sixty-three million, two hundred forty-two thousand, one hundred fifty-six".