2162153643 has 16 divisors (see below), whose sum is σ = 3170689536. Its totient is φ = 1302245280.

The previous prime is 2162153633. The next prime is 2162153701. The reversal of 2162153643 is 3463512612.

It is not a de Polignac number, because 2162153643 - 2⁴ = 2162153627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2162153633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587953 + ... + 591618.

It is an arithmetic number, because the mean of its divisors is an integer number (198168096).

Almost surely, 2^2162153643 is an apocalyptic number.

2162153643 is a deficient number, since it is larger than the sum of its proper divisors (1008535893).

2162153643 is a wasteful number, since it uses less digits than its factorization.

2162153643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179634.

The product of its digits is 25920, while the sum is 33.

The square root of 2162153643 is about 46498.9638916826. The cubic root of 2162153643 is about 1293.0902901272.

The spelling of 2162153643 in words is "two billion, one hundred sixty-two million, one hundred fifty-three thousand, six hundred forty-three".