159906533891056 has 20 divisors (see below), whose sum is σ = 309897884531592. Its totient is φ = 79932886270016.

The previous prime is 159906533891023. The next prime is 159906533891081. The reversal of 159906533891056 is 650198335609951.

It is a super-2 number, since 2×159906533891056² (a number of 29 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 3 ways as a sum of consecutive naturals, for example, 1273727491 + ... + 1273853026.

Almost surely, 2^{159906533891056} is an apocalyptic number.

159906533891056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

159906533891056 is a deficient number, since it is larger than the sum of its proper divisors (149991350640536).

159906533891056 is a wasteful number, since it uses less digits than its factorization.

159906533891056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547584448 (or 2547584442 counting only the distinct ones).

The product of its (nonzero) digits is 236196000, while the sum is 70.

The spelling of 159906533891056 in words is "one hundred fifty-nine trillion, nine hundred six billion, five hundred thirty-three million, eight hundred ninety-one thousand, fifty-six".