155136042164161 has 8 divisors (see below), whose sum is σ = 157452176860704. Its totient is φ = 152819927214240.

The previous prime is 155136042164149. The next prime is 155136042164183. The reversal of 155136042164161 is 161461240631551.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 155136042164161 - 2²⁷ = 155135907946433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155136042164111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11288421 + ... + 20921293.

It is an arithmetic number, because the mean of its divisors is an integer number (19681522107588).

Almost surely, 2^{155136042164161} is an apocalyptic number.

It is an amenable number.

155136042164161 is a deficient number, since it is larger than the sum of its proper divisors (2316134696543).

155136042164161 is an equidigital number, since it uses as much as digits as its factorization.

155136042164161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873311.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 155136042164161 in words is "one hundred fifty-five trillion, one hundred thirty-six billion, forty-two million, one hundred sixty-four thousand, one hundred sixty-one".