159490988 has 6 divisors (see below), whose sum is σ = 279109236. Its totient is φ = 79745492.

The previous prime is 159490973. The next prime is 159491011. The reversal of 159490988 is 889094951.

It is a super-3 number, since 3×159490988³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19936370 + ... + 19936377.

It is an arithmetic number, because the mean of its divisors is an integer number (46518206).

Almost surely, 2^159490988 is an apocalyptic number.

It is an amenable number.

159490988 is a deficient number, since it is larger than the sum of its proper divisors (119618248).

159490988 is a wasteful number, since it uses less digits than its factorization.

159490988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39872751 (or 39872749 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 53.

The square root of 159490988 is about 12628.9741467785. The cubic root of 159490988 is about 542.3072154371.

The spelling of 159490988 in words is "one hundred fifty-nine million, four hundred ninety thousand, nine hundred eighty-eight".