2161614123626 has 8 divisors (see below), whose sum is σ = 3433151843460. Its totient is φ = 1017230175808.

The previous prime is 2161614123623. The next prime is 2161614123673. The reversal of 2161614123626 is 6263214161612.

It can be written as a sum of positive squares in 2 ways, for example, as 2139049577401 + 22564546225 = 1462549^2 + 150215^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2161614123626² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2161614123623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31788442961 + ... + 31788443028.

Almost surely, 2^{2161614123626} is an apocalyptic number.

2161614123626 is a deficient number, since it is larger than the sum of its proper divisors (1271537719834).

2161614123626 is a wasteful number, since it uses less digits than its factorization.

2161614123626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63576886008.

The product of its digits is 124416, while the sum is 41.

The spelling of 2161614123626 in words is "two trillion, one hundred sixty-one billion, six hundred fourteen million, one hundred twenty-three thousand, six hundred twenty-six".