136646166063 has 32 divisors (see below), whose sum is σ = 212648889600. Its totient is φ = 77170924800.

The previous prime is 136646165993. The next prime is 136646166089. The reversal of 136646166063 is 360661646631.

It is not a de Polignac number, because 136646166063 - 2⁸ = 136646165807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136646166263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1748118 + ... + 1824611.

It is an arithmetic number, because the mean of its divisors is an integer number (6645277800).

Almost surely, 2^136646166063 is an apocalyptic number.

136646166063 is a deficient number, since it is larger than the sum of its proper divisors (76002723537).

136646166063 is a wasteful number, since it uses less digits than its factorization.

136646166063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572823.

The product of its (nonzero) digits is 1679616, while the sum is 48.

The spelling of 136646166063 in words is "one hundred thirty-six billion, six hundred forty-six million, one hundred sixty-six thousand, sixty-three".