159191408 has 20 divisors (see below), whose sum is σ = 308782320. Its totient is φ = 79505664.

The previous prime is 159191407. The next prime is 159191423. The reversal of 159191408 is 804191951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159191401) 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 3 ways as a sum of consecutive naturals, for example, 10328 + ... + 20616.

It is an arithmetic number, because the mean of its divisors is an integer number (15439116).

Almost surely, 2^159191408 is an apocalyptic number.

It is an amenable number.

159191408 is a deficient number, since it is larger than the sum of its proper divisors (149590912).

159191408 is a wasteful number, since it uses less digits than its factorization.

159191408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11264 (or 11258 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 38.

The square root of 159191408 is about 12617.1077509864. The cubic root of 159191408 is about 541.9674549160.

The spelling of 159191408 in words is "one hundred fifty-nine million, one hundred ninety-one thousand, four hundred eight".