159581485490 has 48 divisors (see below), whose sum is σ = 334223226432. Its totient is φ = 54700694496.

The previous prime is 159581485489. The next prime is 159581485537. The reversal of 159581485490 is 94584185951.

159581485490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×159581485490² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2160347 + ... + 2232993.

It is an arithmetic number, because the mean of its divisors is an integer number (6962983884).

Almost surely, 2^159581485490 is an apocalyptic number.

159581485490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159581485490 is an abundant number, since it is smaller than the sum of its proper divisors (174641740942).

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

159581485490 is a wasteful number, since it uses less digits than its factorization.

159581485490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77151 (or 77144 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 59.

The spelling of 159581485490 in words is "one hundred fifty-nine billion, five hundred eighty-one million, four hundred eighty-five thousand, four hundred ninety".