2163351655 has 8 divisors (see below), whose sum is σ = 2616463872. Its totient is φ = 1717053408.

The previous prime is 2163351649. The next prime is 2163351661. The reversal of 2163351655 is 5561533612.

It is an interprime number because it is at equal distance from previous prime (2163351649) and next prime (2163351661).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2163351655 - 2⁷ = 2163351527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1702792 + ... + 1704061.

It is an arithmetic number, because the mean of its divisors is an integer number (327057984).

Almost surely, 2^2163351655 is an apocalyptic number.

2163351655 is a deficient number, since it is larger than the sum of its proper divisors (453112217).

2163351655 is a wasteful number, since it uses less digits than its factorization.

2163351655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406985.

The product of its digits is 81000, while the sum is 37.

The square root of 2163351655 is about 46511.8442442353. The cubic root of 2163351655 is about 1293.3290723649.

The spelling of 2163351655 in words is "two billion, one hundred sixty-three million, three hundred fifty-one thousand, six hundred fifty-five".