159906532 has 12 divisors (see below), whose sum is σ = 280035756. Its totient is φ = 79896320.

The previous prime is 159906521. The next prime is 159906553. The reversal of 159906532 is 235609951.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32080896 + 127825636 = 5664^2 + 11306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7573 + ... + 19420.

It is an arithmetic number, because the mean of its divisors is an integer number (23336313).

Almost surely, 2^159906532 is an apocalyptic number.

It is an amenable number.

159906532 is a deficient number, since it is larger than the sum of its proper divisors (120129224).

159906532 is a wasteful number, since it uses less digits than its factorization.

159906532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28478 (or 28476 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 159906532 is about 12645.4154538315. The cubic root of 159906532 is about 542.7777897333. Note that the first 4 decimals are identical.

It can be divided in two parts, 15990 and 6532, that added together give a palindrome (22522).

The spelling of 159906532 in words is "one hundred fifty-nine million, nine hundred six thousand, five hundred thirty-two".