159793818 has 8 divisors (see below), whose sum is σ = 319587648. Its totient is φ = 53264604.

The previous prime is 159793789. The next prime is 159793883. The reversal of 159793818 is 818397951.

It is a sphenic number, since it is the product of 3 distinct primes.

159793818 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13316146 + ... + 13316157.

It is an arithmetic number, because the mean of its divisors is an integer number (39948456).

Almost surely, 2^159793818 is an apocalyptic number.

159793818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

159793818 is a wasteful number, since it uses less digits than its factorization.

159793818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26632308.

The product of its digits is 544320, while the sum is 51.

The square root of 159793818 is about 12640.9579542058. The cubic root of 159793818 is about 542.6502297245.

The spelling of 159793818 in words is "one hundred fifty-nine million, seven hundred ninety-three thousand, eight hundred eighteen".