26562100161 has 4 divisors (see below), whose sum is σ = 35416133552. Its totient is φ = 17708066772.

The previous prime is 26562100151. The next prime is 26562100199. The reversal of 26562100161 is 16100126562.

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 not a de Polignac number, because 26562100161 - 2¹⁷ = 26561969089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26562100151) 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, 4427016691 + ... + 4427016696.

It is an arithmetic number, because the mean of its divisors is an integer number (8854033388).

Almost surely, 2^26562100161 is an apocalyptic number.

It is an amenable number.

26562100161 is a deficient number, since it is larger than the sum of its proper divisors (8854033391).

26562100161 is an equidigital number, since it uses as much as digits as its factorization.

26562100161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8854033390.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 26562100161 in words is "twenty-six billion, five hundred sixty-two million, one hundred thousand, one hundred sixty-one".