159970 has 16 divisors (see below), whose sum is σ = 305208. Its totient is φ = 60160.

The previous prime is 159937. The next prime is 159977. The reversal of 159970 is 79951.

159970 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in 4 ways, for example, as 149769 + 10201 = 387^2 + 101^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159977) by changing a digit.

159970 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301 + ... + 640.

2¹⁵⁹⁹⁷⁰ is an apocalyptic number.

159970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159970 is a deficient number, since it is larger than the sum of its proper divisors (145238).

159970 is a wasteful number, since it uses less digits than its factorization.

159970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 159970 is about 399.9624982420. The cubic root of 159970 is about 54.2849590978.

The spelling of 159970 in words is "one hundred fifty-nine thousand, nine hundred seventy".