159664503 has 8 divisors (see below), whose sum is σ = 214511616. Its totient is φ = 105630200.

The previous prime is 159664501. The next prime is 159664507. The reversal of 159664503 is 305466951.

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 159664503 - 2¹ = 159664501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159664501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202743 + ... + 203528.

It is an arithmetic number, because the mean of its divisors is an integer number (26813952).

Almost surely, 2^159664503 is an apocalyptic number.

159664503 is a deficient number, since it is larger than the sum of its proper divisors (54847113).

159664503 is a wasteful number, since it uses less digits than its factorization.

159664503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406405.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 159664503 is about 12635.8419980625. The cubic root of 159664503 is about 542.5038082229.

The spelling of 159664503 in words is "one hundred fifty-nine million, six hundred sixty-four thousand, five hundred three".