165652066 has 8 divisors (see below), whose sum is σ = 248624640. Its totient is φ = 82777188.

The previous prime is 165652061. The next prime is 165652099. The reversal of 165652066 is 660256561.

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

It is not an unprimeable number, because it can be changed into a prime (165652061) 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, 20026 + ... + 27061.

It is an arithmetic number, because the mean of its divisors is an integer number (31078080).

Almost surely, 2^165652066 is an apocalyptic number.

165652066 is a deficient number, since it is larger than the sum of its proper divisors (82972574).

165652066 is a wasteful number, since it uses less digits than its factorization.

165652066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48848.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 165652066 is about 12870.5891862028. The cubic root of 165652066 is about 549.2022218902.

The spelling of 165652066 in words is "one hundred sixty-five million, six hundred fifty-two thousand, sixty-six".