26346523161 has 64 divisors (see below), whose sum is σ = 42900848640. Its totient is φ = 14058031680.

The previous prime is 26346523157. The next prime is 26346523169. The reversal of 26346523161 is 16132564362.

It is not a de Polignac number, because 26346523161 - 2² = 26346523157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26346523169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3528450 + ... + 3535908.

It is an arithmetic number, because the mean of its divisors is an integer number (670325760).

Almost surely, 2^26346523161 is an apocalyptic number.

26346523161 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26346523161 is a deficient number, since it is larger than the sum of its proper divisors (16554325479).

26346523161 is a wasteful number, since it uses less digits than its factorization.

26346523161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7666.

The product of its digits is 155520, while the sum is 39.

The spelling of 26346523161 in words is "twenty-six billion, three hundred forty-six million, five hundred twenty-three thousand, one hundred sixty-one".