155598481830 has 64 divisors (see below), whose sum is σ = 407428185600. Its totient is φ = 37716856320.

The previous prime is 155598481813. The next prime is 155598481873. The reversal of 155598481830 is 38184895551.

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 31 ways as a sum of consecutive naturals, for example, 4168791 + ... + 4205949.

It is an arithmetic number, because the mean of its divisors is an integer number (6366065400).

Almost surely, 2^155598481830 is an apocalyptic number.

155598481830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155598481830 is an abundant number, since it is smaller than the sum of its proper divisors (251829703770).

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

155598481830 is a wasteful number, since it uses less digits than its factorization.

155598481830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49869.

The product of its (nonzero) digits is 6912000, while the sum is 57.

The spelling of 155598481830 in words is "one hundred fifty-five billion, five hundred ninety-eight million, four hundred eighty-one thousand, eight hundred thirty".