159664542 has 8 divisors (see below), whose sum is σ = 319329096. Its totient is φ = 53221512.

The previous prime is 159664541. The next prime is 159664573. The reversal of 159664542 is 245466951.

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

159664542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 159664494 and 159664503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159664541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13305373 + ... + 13305384.

It is an arithmetic number, because the mean of its divisors is an integer number (39916137).

Almost surely, 2^159664542 is an apocalyptic number.

159664542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

159664542 is a wasteful number, since it uses less digits than its factorization.

159664542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26610762.

The product of its digits is 259200, while the sum is 42.

The square root of 159664542 is about 12635.8435412916. The cubic root of 159664542 is about 542.5038523939.

The spelling of 159664542 in words is "one hundred fifty-nine million, six hundred sixty-four thousand, five hundred forty-two".