26198169100 has 18 divisors (see below), whose sum is σ = 56850027164. Its totient is φ = 10479267600.

The previous prime is 26198169097. The next prime is 26198169103. The reversal of 26198169100 is 196189162.

It is an interprime number because it is at equal distance from previous prime (26198169097) and next prime (26198169103).

It is not an unprimeable number, because it can be changed into a prime (26198169103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130990746 + ... + 130990945.

Almost surely, 2^26198169100 is an apocalyptic number.

26198169100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26198169100 is an abundant number, since it is smaller than the sum of its proper divisors (30651858064).

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

26198169100 is a wasteful number, since it uses less digits than its factorization.

26198169100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261981705 (or 261981698 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 26198169100 in words is "twenty-six billion, one hundred ninety-eight million, one hundred sixty-nine thousand, one hundred".