2162143555 has 96 divisors (see below), whose sum is σ = 3304409472. Its totient is φ = 1344245760.

The previous prime is 2162143549. The next prime is 2162143561. The reversal of 2162143555 is 5553412612.

It is an interprime number because it is at equal distance from previous prime (2162143549) and next prime (2162143561).

It is not a de Polignac number, because 2162143555 - 2⁹ = 2162143043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2162143555.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13771537 + ... + 13771693.

It is an arithmetic number, because the mean of its divisors is an integer number (34420932).

Almost surely, 2^2162143555 is an apocalyptic number.

2162143555 is a deficient number, since it is larger than the sum of its proper divisors (1142265917).

2162143555 is a wasteful number, since it uses less digits than its factorization.

2162143555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 306 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 2162143555 is about 46498.8554160207. The cubic root of 2162143555 is about 1293.0882790590.

The spelling of 2162143555 in words is "two billion, one hundred sixty-two million, one hundred forty-three thousand, five hundred fifty-five".