116216155 has 16 divisors (see below), whose sum is σ = 153651168. Its totient is φ = 83680000.

The previous prime is 116216153. The next prime is 116216161. The reversal of 116216155 is 551612611.

It is a happy number.

It is not a de Polignac number, because 116216155 - 2¹ = 116216153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116216153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4906 + ... + 16015.

It is an arithmetic number, because the mean of its divisors is an integer number (9603198).

Almost surely, 2^116216155 is an apocalyptic number.

116216155 is a deficient number, since it is larger than the sum of its proper divisors (37435013).

116216155 is a wasteful number, since it uses less digits than its factorization.

116216155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21038.

The product of its digits is 1800, while the sum is 28.

The square root of 116216155 is about 10780.3596878768. The cubic root of 116216155 is about 488.0026356460.

Adding to 116216155 its reverse (551612611), we get a palindrome (667828766).

The spelling of 116216155 in words is "one hundred sixteen million, two hundred sixteen thousand, one hundred fifty-five".