2116235616 has 96 divisors (see below), whose sum is σ = 6416661888. Its totient is φ = 603555840.

The previous prime is 2116235603. The next prime is 2116235629. The reversal of 2116235616 is 6165326112.

It is an interprime number because it is at equal distance from previous prime (2116235603) and next prime (2116235629).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40990 + ... + 76893.

It is an arithmetic number, because the mean of its divisors is an integer number (66840228).

Almost surely, 2^2116235616 is an apocalyptic number.

It is an amenable number.

2116235616 is an abundant number, since it is smaller than the sum of its proper divisors (4300426272).

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

2116235616 is a wasteful number, since it uses less digits than its factorization.

2116235616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117924 (or 117916 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 2116235616 is about 46002.5609721894. The cubic root of 2116235616 is about 1283.8708539473.

It can be divided in two parts, 2116 and 235616, that added together give a palindrome (237732).

The spelling of 2116235616 in words is "two billion, one hundred sixteen million, two hundred thirty-five thousand, six hundred sixteen".