2116387178 has 8 divisors (see below), whose sum is σ = 3174775968. Its totient is φ = 1058128524.

The previous prime is 2116387153. The next prime is 2116387183. The reversal of 2116387178 is 8717836112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47675 + ... + 80657.

It is an arithmetic number, because the mean of its divisors is an integer number (396846996).

Almost surely, 2^2116387178 is an apocalyptic number.

2116387178 is a deficient number, since it is larger than the sum of its proper divisors (1058388790).

2116387178 is a wasteful number, since it uses less digits than its factorization.

2116387178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65068.

The product of its digits is 112896, while the sum is 44.

The square root of 2116387178 is about 46004.2082640273. The cubic root of 2116387178 is about 1283.9015029273.

The spelling of 2116387178 in words is "two billion, one hundred sixteen million, three hundred eighty-seven thousand, one hundred seventy-eight".