165433883666 has 8 divisors (see below), whose sum is σ = 248174077440. Its totient is φ = 82709191188.

The previous prime is 165433883663. The next prime is 165433883687. The reversal of 165433883666 is 666388334561.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (165433883663) 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, 3848606 + ... + 3891353.

It is an arithmetic number, because the mean of its divisors is an integer number (31021759680).

Almost surely, 2^165433883666 is an apocalyptic number.

165433883666 is a deficient number, since it is larger than the sum of its proper divisors (82740193774).

165433883666 is a wasteful number, since it uses less digits than its factorization.

165433883666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750648.

The product of its digits is 44789760, while the sum is 59.

The spelling of 165433883666 in words is "one hundred sixty-five billion, four hundred thirty-three million, eight hundred eighty-three thousand, six hundred sixty-six".