2116161507 has 16 divisors (see below), whose sum is σ = 2834462592. Its totient is φ = 1404332160.

The previous prime is 2116161493. The next prime is 2116161527. The reversal of 2116161507 is 7051616112.

It is not a de Polignac number, because 2116161507 - 2⁴ = 2116161491 is a prime.

It is a super-2 number, since 2×2116161507² = 8956279047417022098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2116161527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834832 + ... + 837362.

It is an arithmetic number, because the mean of its divisors is an integer number (177153912).

Almost surely, 2^2116161507 is an apocalyptic number.

2116161507 is a deficient number, since it is larger than the sum of its proper divisors (718301085).

2116161507 is a wasteful number, since it uses less digits than its factorization.

2116161507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 2116161507 is about 46001.7554773728. The cubic root of 2116161507 is about 1283.8558670376.

Adding to 2116161507 its reverse (7051616112), we get a palindrome (9167777619).

The spelling of 2116161507 in words is "two billion, one hundred sixteen million, one hundred sixty-one thousand, five hundred seven".