165816917483 has 8 divisors (see below), whose sum is σ = 190354848768. Its totient is φ = 141491436264.

The previous prime is 165816917473. The next prime is 165816917543. The reversal of 165816917483 is 384719618561.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 165816917483 - 2⁴ = 165816917467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165816917473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53110841 + ... + 53113962.

It is an arithmetic number, because the mean of its divisors is an integer number (23794356096).

Almost surely, 2^165816917483 is an apocalyptic number.

165816917483 is a deficient number, since it is larger than the sum of its proper divisors (24537931285).

165816917483 is a wasteful number, since it uses less digits than its factorization.

165816917483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106225033.

The product of its digits is 8709120, while the sum is 59.

The spelling of 165816917483 in words is "one hundred sixty-five billion, eight hundred sixteen million, nine hundred seventeen thousand, four hundred eighty-three".