155161865563134 has 8 divisors (see below), whose sum is σ = 310323731126280. Its totient is φ = 51720621854376.

The previous prime is 155161865563127. The next prime is 155161865563157. The reversal of 155161865563134 is 431365568161551.

It is a happy number.

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

155161865563134 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12930155463589 + ... + 12930155463600.

It is an arithmetic number, because the mean of its divisors is an integer number (38790466390785).

Almost surely, 2^{155161865563134} is an apocalyptic number.

155161865563134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155161865563134 is a wasteful number, since it uses less digits than its factorization.

155161865563134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25860310927194.

The product of its digits is 38880000, while the sum is 60.

The spelling of 155161865563134 in words is "one hundred fifty-five trillion, one hundred sixty-one billion, eight hundred sixty-five million, five hundred sixty-three thousand, one hundred thirty-four".