155020162256163 has 8 divisors (see below), whose sum is σ = 229659499638800. Its totient is φ = 103346774837424.

The previous prime is 155020162256149. The next prime is 155020162256173. The reversal of 155020162256163 is 361652261020551.

155020162256163 is a `hidden beast` number, since 1 + 5 + 5 + 0 + 2 + 0 + 1 + 6 + 2 + 25 + 616 + 3 = 666.

It is not a de Polignac number, because 155020162256163 - 2¹⁰ = 155020162255139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155020162256173) 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, 2870743745458 + ... + 2870743745511.

It is an arithmetic number, because the mean of its divisors is an integer number (28707437454850).

Almost surely, 2^{155020162256163} is an apocalyptic number.

155020162256163 is a deficient number, since it is larger than the sum of its proper divisors (74639337382637).

155020162256163 is an equidigital number, since it uses as much as digits as its factorization.

155020162256163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5741487490978 (or 5741487490972 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 155020162256163 in words is "one hundred fifty-five trillion, twenty billion, one hundred sixty-two million, two hundred fifty-six thousand, one hundred sixty-three".