136617216220 has 48 divisors (see below), whose sum is σ = 290014216128. Its totient is φ = 54054190080.

The previous prime is 136617216217. The next prime is 136617216247. The reversal of 136617216220 is 22612716631.

It is a self number, because there is not a number n which added to its sum of digits gives 136617216220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1777222 + ... + 1852498.

It is an arithmetic number, because the mean of its divisors is an integer number (6041962836).

Almost surely, 2^136617216220 is an apocalyptic number.

136617216220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136617216220 is an abundant number, since it is smaller than the sum of its proper divisors (153396999908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136617216220 is a wasteful number, since it uses less digits than its factorization.

136617216220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76270 (or 76268 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 136617216220 in words is "one hundred thirty-six billion, six hundred seventeen million, two hundred sixteen thousand, two hundred twenty".