159065066 has 4 divisors (see below), whose sum is σ = 238597602. Its totient is φ = 79532532.

The previous prime is 159065009. The next prime is 159065069. The reversal of 159065066 is 660560951.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 154132225 + 4932841 = 12415^2 + 2221^2 .

It is not an unprimeable number, because it can be changed into a prime (159065069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39766265 + ... + 39766268.

Almost surely, 2^159065066 is an apocalyptic number.

159065066 is a deficient number, since it is larger than the sum of its proper divisors (79532536).

159065066 is an equidigital number, since it uses as much as digits as its factorization.

159065066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79532535.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 159065066 is about 12612.0999837458. The cubic root of 159065066 is about 541.8240397748.

The spelling of 159065066 in words is "one hundred fifty-nine million, sixty-five thousand, sixty-six".