26161366135 has 8 divisors (see below), whose sum is σ = 31633286256. Its totient is φ = 20769328320.

The previous prime is 26161366103. The next prime is 26161366139. The reversal of 26161366135 is 53166316162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26161366135 - 2⁵ = 26161366103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26161366139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19969854 + ... + 19971163.

It is an arithmetic number, because the mean of its divisors is an integer number (3954160782).

Almost surely, 2^26161366135 is an apocalyptic number.

26161366135 is a deficient number, since it is larger than the sum of its proper divisors (5471920121).

26161366135 is a wasteful number, since it uses less digits than its factorization.

26161366135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39941153.

The product of its digits is 116640, while the sum is 40.

The spelling of 26161366135 in words is "twenty-six billion, one hundred sixty-one million, three hundred sixty-six thousand, one hundred thirty-five".