2168318160 has 120 divisors (see below), whose sum is σ = 7551704160. Its totient is φ = 578212992.

The previous prime is 2168318153. The next prime is 2168318161. The reversal of 2168318160 is 618138612.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168318161) 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, 36330 + ... + 75209.

It is an arithmetic number, because the mean of its divisors is an integer number (62930868).

Almost surely, 2^2168318160 is an apocalyptic number.

2168318160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2168318160 is an abundant number, since it is smaller than the sum of its proper divisors (5383386000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2168318160 is a wasteful number, since it uses less digits than its factorization.

2168318160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111567 (or 111549 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 2168318160 is about 46565.2033174988. The cubic root of 2168318160 is about 1294.3180341162.

The spelling of 2168318160 in words is "two billion, one hundred sixty-eight million, three hundred eighteen thousand, one hundred sixty".