26610422161 has 16 divisors (see below), whose sum is σ = 27765840960. Its totient is φ = 25480203840.

The previous prime is 26610422159. The next prime is 26610422177. The reversal of 26610422161 is 16122401662.

It is a happy number.

It is not a de Polignac number, because 26610422161 - 2¹ = 26610422159 is a prime.

It is a super-2 number, since 2×26610422161² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26610422101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3252606 + ... + 3260776.

It is an arithmetic number, because the mean of its divisors is an integer number (1735365060).

Almost surely, 2^26610422161 is an apocalyptic number.

It is an amenable number.

26610422161 is a deficient number, since it is larger than the sum of its proper divisors (1155418799).

26610422161 is a wasteful number, since it uses less digits than its factorization.

26610422161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9696.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 26610422161 in words is "twenty-six billion, six hundred ten million, four hundred twenty-two thousand, one hundred sixty-one".