159097890 has 64 divisors (see below), whose sum is σ = 450478080. Its totient is φ = 35190720.

The previous prime is 159097889. The next prime is 159097909. The reversal of 159097890 is 98790951.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5710 + ... + 18729.

It is an arithmetic number, because the mean of its divisors is an integer number (7038720).

Almost surely, 2^159097890 is an apocalyptic number.

159097890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159097890 is an abundant number, since it is smaller than the sum of its proper divisors (291380190).

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

159097890 is a wasteful number, since it uses less digits than its factorization.

159097890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24487.

The product of its (nonzero) digits is 204120, while the sum is 48.

The square root of 159097890 is about 12613.4012066532. The cubic root of 159097890 is about 541.8613067238.

The spelling of 159097890 in words is "one hundred fifty-nine million, ninety-seven thousand, eight hundred ninety".