2116243078 has 4 divisors (see below), whose sum is σ = 3174364620. Its totient is φ = 1058121538.

The previous prime is 2116243043. The next prime is 2116243081. The reversal of 2116243078 is 8703426112.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529060768 + ... + 529060771.

It is an arithmetic number, because the mean of its divisors is an integer number (793591155).

Almost surely, 2^2116243078 is an apocalyptic number.

2116243078 is a deficient number, since it is larger than the sum of its proper divisors (1058121542).

2116243078 is a wasteful number, since it uses less digits than its factorization.

2116243078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058121541.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2116243078 is about 46002.6420762982. The cubic root of 2116243078 is about 1283.8723629527.

The spelling of 2116243078 in words is "two billion, one hundred sixteen million, two hundred forty-three thousand, seventy-eight".