159921463 has 8 divisors (see below), whose sum is σ = 172978400. Its totient is φ = 146972448.

The previous prime is 159921413. The next prime is 159921473. The reversal of 159921463 is 364129951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159921463 - 2¹⁷ = 159790391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159921413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23883 + ... + 29836.

It is an arithmetic number, because the mean of its divisors is an integer number (21622300).

Almost surely, 2^159921463 is an apocalyptic number.

159921463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

159921463 is a deficient number, since it is larger than the sum of its proper divisors (13056937).

159921463 is a wasteful number, since it uses less digits than its factorization.

159921463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53961.

The product of its digits is 58320, while the sum is 40.

The square root of 159921463 is about 12646.0058121132. The cubic root of 159921463 is about 542.7946828579.

The spelling of 159921463 in words is "one hundred fifty-nine million, nine hundred twenty-one thousand, four hundred sixty-three".