26161047 has 18 divisors (see below), whose sum is σ = 41537496. Its totient is φ = 15854520.

The previous prime is 26161033. The next prime is 26161049. The reversal of 26161047 is 74016162.

26161047 is a `hidden beast` number, since 2 + 6 + 1 + 610 + 47 = 666.

It is not a de Polignac number, because 26161047 - 2¹¹ = 26158999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26161047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26161049) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10923 + ... + 13100.

Almost surely, 2^26161047 is an apocalyptic number.

26161047 is a deficient number, since it is larger than the sum of its proper divisors (15376449).

26161047 is a wasteful number, since it uses less digits than its factorization.

26161047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24051 (or 24037 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 26161047 is about 5114.7870923431. The cubic root of 26161047 is about 296.8600163370.

It can be divided in two parts, 2616 and 1047, that added together give a palindrome (3663).

The spelling of 26161047 in words is "twenty-six million, one hundred sixty-one thousand, forty-seven".