26169156 has 144 divisors (see below), whose sum is σ = 78478400. Its totient is φ = 7558272.

The previous prime is 26169149. The next prime is 26169163. The reversal of 26169156 is 65196162.

It is an interprime number because it is at equal distance from previous prime (26169149) and next prime (26169163).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 26169156.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 240030 + ... + 240138.

Almost surely, 2^26169156 is an apocalyptic number.

26169156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26169156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39239200).

26169156 is an abundant number, since it is smaller than the sum of its proper divisors (52309244).

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

26169156 is a wasteful number, since it uses less digits than its factorization.

26169156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 146 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 26169156 is about 5115.5797325425. The cubic root of 26169156 is about 296.8906852064.

The spelling of 26169156 in words is "twenty-six million, one hundred sixty-nine thousand, one hundred fifty-six".