165418144983 has 192 divisors, whose sum is σ = 321969356800. Its totient is φ = 79387050240.

The previous prime is 165418144981. The next prime is 165418144993. The reversal of 165418144983 is 389441814561.

165418144983 is a `hidden beast` number, since 1 + 6 + 5 + 41 + 81 + 449 + 83 = 666.

It is not a de Polignac number, because 165418144983 - 2¹ = 165418144981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165418144981) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 67051116 + ... + 67053582.

Almost surely, 2^165418144983 is an apocalyptic number.

165418144983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

165418144983 is a deficient number, since it is larger than the sum of its proper divisors (156551211817).

165418144983 is a wasteful number, since it uses less digits than its factorization.

165418144983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682 (or 2679 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 165418144983 in words is "one hundred sixty-five billion, four hundred eighteen million, one hundred forty-four thousand, nine hundred eighty-three".