159117408 has 36 divisors (see below), whose sum is σ = 452490948. Its totient is φ = 53039040.

The previous prime is 159117407. The next prime is 159117449. The reversal of 159117408 is 804711951.

159117408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159117407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275958 + ... + 276533.

It is an arithmetic number, because the mean of its divisors is an integer number (12569193).

Almost surely, 2^159117408 is an apocalyptic number.

159117408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

159117408 is an abundant number, since it is smaller than the sum of its proper divisors (293373540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159117408 is a wasteful number, since it uses less digits than its factorization.

159117408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552507 (or 552496 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 159117408 is about 12614.1748838360. The cubic root of 159117408 is about 541.8834641861.

The spelling of 159117408 in words is "one hundred fifty-nine million, one hundred seventeen thousand, four hundred eight".