2168285377 has 8 divisors (see below), whose sum is σ = 2285968160. Its totient is φ = 2050958880.

The previous prime is 2168285333. The next prime is 2168285381. The reversal of 2168285377 is 7735828612.

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 2168285377 - 2²⁷ = 2034067649 is a prime.

It is a super-2 number, since 2×2168285377² = 9402922952224064258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2168285377.

It is not an unprimeable number, because it can be changed into a prime (2168285477) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 76524 + ... + 100957.

It is an arithmetic number, because the mean of its divisors is an integer number (285746020).

Almost surely, 2^2168285377 is an apocalyptic number.

It is an amenable number.

2168285377 is a deficient number, since it is larger than the sum of its proper divisors (117682783).

2168285377 is a wasteful number, since it uses less digits than its factorization.

2168285377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178143.

The product of its digits is 1128960, while the sum is 49.

The square root of 2168285377 is about 46564.8513043905. The cubic root of 2168285377 is about 1294.3115111125.

The spelling of 2168285377 in words is "two billion, one hundred sixty-eight million, two hundred eighty-five thousand, three hundred seventy-seven".