155864181560 has 16 divisors (see below), whose sum is σ = 350694408600. Its totient is φ = 62345672608.

The previous prime is 155864181559. The next prime is 155864181589. The reversal of 155864181560 is 65181468551.

It is a junction number, because it is equal to n+sod(n) for n = 155864181499 and 155864181508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948302230 + ... + 1948302309.

Almost surely, 2^155864181560 is an apocalyptic number.

155864181560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155864181560 is an abundant number, since it is smaller than the sum of its proper divisors (194830227040).

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

155864181560 is a wasteful number, since it uses less digits than its factorization.

155864181560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896604550 (or 3896604546 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 50.

The spelling of 155864181560 in words is "one hundred fifty-five billion, eight hundred sixty-four million, one hundred eighty-one thousand, five hundred sixty".