159999057 has 20 divisors (see below), whose sum is σ = 251592880. Its totient is φ = 101051064.

The previous prime is 159999043. The next prime is 159999079. The reversal of 159999057 is 750999951.

It is not a de Polignac number, because 159999057 - 2⁴ = 159999041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159998994 and 159999012.

It is not an unprimeable number, because it can be changed into a prime (159995057) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 50443 + ... + 53520.

It is an arithmetic number, because the mean of its divisors is an integer number (12579644).

Almost surely, 2^159999057 is an apocalyptic number.

It is an amenable number.

159999057 is a deficient number, since it is larger than the sum of its proper divisors (91593823).

159999057 is a wasteful number, since it uses less digits than its factorization.

159999057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103994 (or 103985 counting only the distinct ones).

The product of its (nonzero) digits is 1148175, while the sum is 54.

The square root of 159999057 is about 12649.0733652707. The cubic root of 159999057 is about 542.8824567770.

The spelling of 159999057 in words is "one hundred fifty-nine million, nine hundred ninety-nine thousand, fifty-seven".