159716401647 has 8 divisors (see below), whose sum is σ = 232314766080. Its totient is φ = 96797819160.

The previous prime is 159716401643. The next prime is 159716401673. The reversal of 159716401647 is 746104617951.

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

It is not a de Polignac number, because 159716401647 - 2² = 159716401643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159716401647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159716401643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2419945447 + ... + 2419945512.

It is an arithmetic number, because the mean of its divisors is an integer number (29039345760).

Almost surely, 2^159716401647 is an apocalyptic number.

159716401647 is a deficient number, since it is larger than the sum of its proper divisors (72598364433).

159716401647 is a wasteful number, since it uses less digits than its factorization.

159716401647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839890973.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 159716401647 in words is "one hundred fifty-nine billion, seven hundred sixteen million, four hundred one thousand, six hundred forty-seven".