159438664575 has 60 divisors (see below), whose sum is σ = 312708266640. Its totient is φ = 80031939840.

The previous prime is 159438664549. The next prime is 159438664621. The reversal of 159438664575 is 575466834951.

It is a happy number.

159438664575 is a `hidden beast` number, since 1 + 5 + 94 + 38 + 66 + 457 + 5 = 666.

It is not a de Polignac number, because 159438664575 - 2¹⁰ = 159438663551 is a prime.

It is a super-2 number, since 2×159438664575² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2281315 + ... + 2350164.

It is an arithmetic number, because the mean of its divisors is an integer number (5211804444).

Almost surely, 2^159438664575 is an apocalyptic number.

159438664575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

159438664575 is a deficient number, since it is larger than the sum of its proper divisors (153269602065).

159438664575 is a wasteful number, since it uses less digits than its factorization.

159438664575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631518 (or 4631504 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 63.

The spelling of 159438664575 in words is "one hundred fifty-nine billion, four hundred thirty-eight million, six hundred sixty-four thousand, five hundred seventy-five".