26168628 has 12 divisors (see below), whose sum is σ = 61060160. Its totient is φ = 8722872.

The previous prime is 26168609. The next prime is 26168629. The reversal of 26168628 is 82686162.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26168629) 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 3 ways as a sum of consecutive naturals, for example, 1090348 + ... + 1090371.

Almost surely, 2^26168628 is an apocalyptic number.

It is an amenable number.

26168628 is an abundant number, since it is smaller than the sum of its proper divisors (34891532).

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

26168628 is a wasteful number, since it uses less digits than its factorization.

26168628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180726 (or 2180724 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 26168628 is about 5115.5281252281. The cubic root of 26168628 is about 296.8886884621. Note that the first 3 decimals are identical.

It can be divided in two parts, 26168 and 628, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 26168628 in words is "twenty-six million, one hundred sixty-eight thousand, six hundred twenty-eight".