26156361 has 32 divisors (see below), whose sum is σ = 43776000. Its totient is φ = 13495680.

The previous prime is 26156327. The next prime is 26156363. The reversal of 26156361 is 16365162.

It is not a de Polignac number, because 26156361 - 2⁷ = 26156233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26156363) 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 31 ways as a sum of consecutive naturals, for example, 45685 + ... + 46253.

It is an arithmetic number, because the mean of its divisors is an integer number (1368000).

Almost surely, 2^26156361 is an apocalyptic number.

26156361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26156361 is a deficient number, since it is larger than the sum of its proper divisors (17619639).

26156361 is a wasteful number, since it uses less digits than its factorization.

26156361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789.

The product of its digits is 6480, while the sum is 30.

The square root of 26156361 is about 5114.3289882447. The cubic root of 26156361 is about 296.8422906308.

The spelling of 26156361 in words is "twenty-six million, one hundred fifty-six thousand, three hundred sixty-one".