159506646 has 32 divisors (see below), whose sum is σ = 351939168. Its totient is φ = 47880960.

The previous prime is 159506629. The next prime is 159506647. The reversal of 159506646 is 646605951.

It is a junction number, because it is equal to n+sod(n) for n = 159506598 and 159506607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159506647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21741 + ... + 28136.

It is an arithmetic number, because the mean of its divisors is an integer number (10998099).

Almost surely, 2^159506646 is an apocalyptic number.

159506646 is an abundant number, since it is smaller than the sum of its proper divisors (192432522).

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

159506646 is a wasteful number, since it uses less digits than its factorization.

159506646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49936.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 159506646 is about 12629.5940552339. The cubic root of 159506646 is about 542.3249618285.

The spelling of 159506646 in words is "one hundred fifty-nine million, five hundred six thousand, six hundred forty-six".