136616224261 has 16 divisors (see below), whose sum is σ = 149590784448. Its totient is φ = 123734416000.

The previous prime is 136616224259. The next prime is 136616224273. The reversal of 136616224261 is 162422616631.

It is a cyclic number.

It is not a de Polignac number, because 136616224261 - 2¹ = 136616224259 is a prime.

It is a super-2 number, since 2×136616224261² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136616224201) 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, 18692970 + ... + 18700276.

It is an arithmetic number, because the mean of its divisors is an integer number (9349424028).

Almost surely, 2^136616224261 is an apocalyptic number.

136616224261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136616224261 is a deficient number, since it is larger than the sum of its proper divisors (12974560187).

136616224261 is a wasteful number, since it uses less digits than its factorization.

136616224261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13412.

The product of its digits is 124416, while the sum is 40.

The spelling of 136616224261 in words is "one hundred thirty-six billion, six hundred sixteen million, two hundred twenty-four thousand, two hundred sixty-one".