26689698662 has 12 divisors (see below), whose sum is σ = 44004916788. Its totient is φ = 12131681100.

The previous prime is 26689698653. The next prime is 26689698671.

It is a happy number.

26689698662 is nontrivially palindromic in base 10.

26689698662 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (26689698653) and next prime (26689698671).

It is a super-3 number, since 3×26689698662³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26689698592 and 26689698601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55143764 + ... + 55144247.

It is an arithmetic number, because the mean of its divisors is an integer number (3667076399).

Almost surely, 2^26689698662 is an apocalyptic number.

26689698662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26689698662 is a deficient number, since it is larger than the sum of its proper divisors (17315218126).

26689698662 is a wasteful number, since it uses less digits than its factorization.

26689698662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110288035 (or 110288024 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 68.

The spelling of 26689698662 in words is "twenty-six billion, six hundred eighty-nine million, six hundred ninety-eight thousand, six hundred sixty-two".