159702117408 has 36 divisors (see below), whose sum is σ = 454152897198. Its totient is φ = 53234039040.

The previous prime is 159702117373. The next prime is 159702117493. The reversal of 159702117408 is 804711207951.

It is a happy number.

159702117408 is a `hidden beast` number, since 1 + 597 + 0 + 2 + 1 + 17 + 40 + 8 = 666.

159702117408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 134386761744 + 25315355664 = 366588^2 + 159108^2 .

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

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277260333 + ... + 277260908.

Almost surely, 2^159702117408 is an apocalyptic number.

159702117408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

159702117408 is an abundant number, since it is smaller than the sum of its proper divisors (294450779790).

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

159702117408 is a wasteful number, since it uses less digits than its factorization.

159702117408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554521257 (or 554521246 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The spelling of 159702117408 in words is "one hundred fifty-nine billion, seven hundred two million, one hundred seventeen thousand, four hundred eight".