2116634533156 has 96 divisors (see below), whose sum is σ = 4501962654336. Its totient is φ = 857857920000.

The previous prime is 2116634533151. The next prime is 2116634533201. The reversal of 2116634533156 is 6513354366112.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2116634533151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1921851 + ... + 2815453.

It is an arithmetic number, because the mean of its divisors is an integer number (46895444316).

Almost surely, 2^{2116634533156} is an apocalyptic number.

2116634533156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2116634533156 is an abundant number, since it is smaller than the sum of its proper divisors (2385328121180).

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

2116634533156 is a wasteful number, since it uses less digits than its factorization.

2116634533156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893773 (or 893771 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 46.

Adding to 2116634533156 its reverse (6513354366112), we get a palindrome (8629988899268).

The spelling of 2116634533156 in words is "two trillion, one hundred sixteen billion, six hundred thirty-four million, five hundred thirty-three thousand, one hundred fifty-six".