136666916859301 has 24 divisors (see below), whose sum is σ = 139490487289440. Its totient is φ = 133899431480256.

The previous prime is 136666916859271. The next prime is 136666916859377. The reversal of 136666916859301 is 103958619666631.

It is not a de Polignac number, because 136666916859301 - 2¹⁹ = 136666916335013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136666916859601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11447093190 + ... + 11447105128.

It is an arithmetic number, because the mean of its divisors is an integer number (5812103637060).

Almost surely, 2^{136666916859301} is an apocalyptic number.

It is an amenable number.

136666916859301 is a deficient number, since it is larger than the sum of its proper divisors (2823570430139).

136666916859301 is an equidigital number, since it uses as much as digits as its factorization.

136666916859301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17445 (or 17392 counting only the distinct ones).

The product of its (nonzero) digits is 226748160, while the sum is 70.

The spelling of 136666916859301 in words is "one hundred thirty-six trillion, six hundred sixty-six billion, nine hundred sixteen million, eight hundred fifty-nine thousand, three hundred one".