26829601616 has 20 divisors (see below), whose sum is σ = 53387282772. Its totient is φ = 13052238336.

The previous prime is 26829601613. The next prime is 26829601619. The reversal of 26829601616 is 61610692862.

It is an interprime number because it is at equal distance from previous prime (26829601613) and next prime (26829601619).

It can be written as a sum of positive squares in 2 ways, for example, as 25773091600 + 1056510016 = 160540^2 + 32504^2 .

It is a super-2 number, since 2×26829601616² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26829601613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22659545 + ... + 22660728.

Almost surely, 2^26829601616 is an apocalyptic number.

It is an amenable number.

26829601616 is a deficient number, since it is larger than the sum of its proper divisors (26557681156).

26829601616 is a wasteful number, since it uses less digits than its factorization.

26829601616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45320318 (or 45320312 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 26829601616 in words is "twenty-six billion, eight hundred twenty-nine million, six hundred one thousand, six hundred sixteen".