165470448 has 80 divisors (see below), whose sum is σ = 502217856. Its totient is φ = 46283520.

The previous prime is 165470443. The next prime is 165470453. The reversal of 165470448 is 844074561.

165470448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (165470443) and next prime (165470453).

It is a super-2 number, since 2×165470448² = 54760938322641408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165470443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5190 + ... + 18917.

Almost surely, 2^165470448 is an apocalyptic number.

It is an amenable number.

165470448 is an abundant number, since it is smaller than the sum of its proper divisors (336747408).

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

165470448 is a wasteful number, since it uses less digits than its factorization.

165470448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24142 (or 24136 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 165470448 is about 12863.5317078942. The cubic root of 165470448 is about 549.0014366205.

The spelling of 165470448 in words is "one hundred sixty-five million, four hundred seventy thousand, four hundred forty-eight".