159857957 has 8 divisors (see below), whose sum is σ = 184469376. Its totient is φ = 135690192.

The previous prime is 159857941. The next prime is 159857969. The reversal of 159857957 is 759758951.

159857957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 159857957 - 2⁴ = 159857941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159851957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110138 + ... + 111579.

It is an arithmetic number, because the mean of its divisors is an integer number (23058672).

Almost surely, 2^159857957 is an apocalyptic number.

It is an amenable number.

159857957 is a deficient number, since it is larger than the sum of its proper divisors (24611419).

159857957 is a wasteful number, since it uses less digits than its factorization.

159857957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221827.

The product of its digits is 3969000, while the sum is 56.

The square root of 159857957 is about 12643.4946514008. The cubic root of 159857957 is about 542.7228240794.

The spelling of 159857957 in words is "one hundred fifty-nine million, eight hundred fifty-seven thousand, nine hundred fifty-seven".