12626335161 has 96 divisors (see below), whose sum is σ = 21127981056. Its totient is φ = 7470792000.

The previous prime is 12626335157. The next prime is 12626335171. The reversal of 12626335161 is 16153362621.

12626335161 is a `hidden beast` number, since 1 + 2 + 6 + 2 + 633 + 5 + 16 + 1 = 666.

It is not a de Polignac number, because 12626335161 - 2² = 12626335157 is a prime.

It is a super-3 number, since 3×12626335161³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12626335171) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34404000 + ... + 34404366.

It is an arithmetic number, because the mean of its divisors is an integer number (220083136).

Almost surely, 2^12626335161 is an apocalyptic number.

12626335161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12626335161 is a deficient number, since it is larger than the sum of its proper divisors (8501645895).

12626335161 is a wasteful number, since it uses less digits than its factorization.

12626335161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 653 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

Adding to 12626335161 its reverse (16153362621), we get a palindrome (28779697782).

The spelling of 12626335161 in words is "twelve billion, six hundred twenty-six million, three hundred thirty-five thousand, one hundred sixty-one".