2168335372005 has 24 divisors (see below), whose sum is σ = 4100125068000. Its totient is φ = 1051314119520.

The previous prime is 2168335371977. The next prime is 2168335372009. The reversal of 2168335372005 is 5002735338612.

2168335372005 is a `hidden beast` number, since 2 + 1 + 68 + 33 + 537 + 20 + 0 + 5 = 666.

It is not a de Polignac number, because 2168335372005 - 2⁶ = 2168335371941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168335372009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2190237255 + ... + 2190238244.

It is an arithmetic number, because the mean of its divisors is an integer number (170838544500).

Almost surely, 2^{2168335372005} is an apocalyptic number.

It is an amenable number.

2168335372005 is a deficient number, since it is larger than the sum of its proper divisors (1931789695995).

2168335372005 is a wasteful number, since it uses less digits than its factorization.

2168335372005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380475521 (or 4380475518 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 2168335372005 in words is "two trillion, one hundred sixty-eight billion, three hundred thirty-five million, three hundred seventy-two thousand, five".