165469944 has 16 divisors (see below), whose sum is σ = 413674920. Its totient is φ = 55156640.

The previous prime is 165469937. The next prime is 165469949. The reversal of 165469944 is 449964561.

It is a junction number, because it is equal to n+sod(n) for n = 165469893 and 165469902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165469949) 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, 3447267 + ... + 3447314.

Almost surely, 2^165469944 is an apocalyptic number.

It is an amenable number.

165469944 is an abundant number, since it is smaller than the sum of its proper divisors (248204976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165469944 is a wasteful number, since it uses less digits than its factorization.

165469944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894590 (or 6894586 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 165469944 is about 12863.5121176139. The cubic root of 165469944 is about 549.0008792259. Note that the first 3 decimals are identical.

The spelling of 165469944 in words is "one hundred sixty-five million, four hundred sixty-nine thousand, nine hundred forty-four".