165064066 has 8 divisors (see below), whose sum is σ = 251083584. Its totient is φ = 81369540.

The previous prime is 165064037. The next prime is 165064091. The reversal of 165064066 is 660460561.

165064066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×165064066² = 54492291768904712, which contains 22 as substring.

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, 581070 + ... + 581353.

It is an arithmetic number, because the mean of its divisors is an integer number (31385448).

Almost surely, 2^165064066 is an apocalyptic number.

165064066 is a deficient number, since it is larger than the sum of its proper divisors (86019518).

165064066 is a wasteful number, since it uses less digits than its factorization.

165064066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162496.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 165064066 is about 12847.7261023109. The cubic root of 165064066 is about 548.5516338589.

The spelling of 165064066 in words is "one hundred sixty-five million, sixty-four thousand, sixty-six".