26668196 has 6 divisors (see below), whose sum is σ = 46669350. Its totient is φ = 13334096.

The previous prime is 26668193. The next prime is 26668207. The reversal of 26668196 is 69186662.

It can be written as a sum of positive squares in only one way, i.e., 14668900 + 11999296 = 3830^2 + 3464^2 .

It is a super-2 number, since 2×26668196² = 1422385355788832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26668193) 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 as a sum of consecutive naturals, namely, 3333521 + ... + 3333528.

It is an arithmetic number, because the mean of its divisors is an integer number (7778225).

Almost surely, 2^26668196 is an apocalyptic number.

It is an amenable number.

26668196 is a deficient number, since it is larger than the sum of its proper divisors (20001154).

26668196 is a wasteful number, since it uses less digits than its factorization.

26668196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667053 (or 6667051 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 26668196 is about 5164.1258698835. The cubic root of 26668196 is about 298.7660276293.

The spelling of 26668196 in words is "twenty-six million, six hundred sixty-eight thousand, one hundred ninety-six".