26996161 has 4 divisors (see below), whose sum is σ = 27099072. Its totient is φ = 26893252.

The previous prime is 26996113. The next prime is 26996171. The reversal of 26996161 is 16169962.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26996161 - 2⁹ = 26995649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26996111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51061 + ... + 51586.

It is an arithmetic number, because the mean of its divisors is an integer number (6774768).

Almost surely, 2^26996161 is an apocalyptic number.

It is an amenable number.

26996161 is a deficient number, since it is larger than the sum of its proper divisors (102911).

26996161 is a wasteful number, since it uses less digits than its factorization.

26996161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102910.

The product of its digits is 34992, while the sum is 40.

The square root of 26996161 is about 5195.7830016274. The cubic root of 26996161 is about 299.9857808075.

The spelling of 26996161 in words is "twenty-six million, nine hundred ninety-six thousand, one hundred sixty-one".