136168167611 has 4 divisors (see below), whose sum is σ = 155620762992. Its totient is φ = 116715572232.

The previous prime is 136168167581. The next prime is 136168167731. The reversal of 136168167611 is 116761861631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116761861631 = 13397 ⋅8715523.

It is not a de Polignac number, because 136168167611 - 2⁶ = 136168167547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136168167011) 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, 9726297680 + ... + 9726297693.

It is an arithmetic number, because the mean of its divisors is an integer number (38905190748).

Almost surely, 2^136168167611 is an apocalyptic number.

136168167611 is a deficient number, since it is larger than the sum of its proper divisors (19452595381).

136168167611 is an equidigital number, since it uses as much as digits as its factorization.

136168167611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19452595380.

The product of its digits is 217728, while the sum is 47.

The spelling of 136168167611 in words is "one hundred thirty-six billion, one hundred sixty-eight million, one hundred sixty-seven thousand, six hundred eleven".