136606355646 has 8 divisors (see below), whose sum is σ = 273212711304. Its totient is φ = 45535451880.

The previous prime is 136606355617. The next prime is 136606355647. The reversal of 136606355646 is 646553606631.

It is a sphenic number, since it is the product of 3 distinct primes.

136606355646 is an admirable number.

It is a super-2 number, since 2×136606355646² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136606355647) 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, 11383862965 + ... + 11383862976.

It is an arithmetic number, because the mean of its divisors is an integer number (34151588913).

Almost surely, 2^136606355646 is an apocalyptic number.

136606355646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

136606355646 is a wasteful number, since it uses less digits than its factorization.

136606355646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22767725946.

The product of its (nonzero) digits is 6998400, while the sum is 51.

The spelling of 136606355646 in words is "one hundred thirty-six billion, six hundred six million, three hundred fifty-five thousand, six hundred forty-six".