165428364 has 48 divisors (see below), whose sum is σ = 407796480. Its totient is φ = 52050240.

The previous prime is 165428357. The next prime is 165428371. The reversal of 165428364 is 463824561.

165428364 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 (165428357) and next prime (165428371).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69742 + ... + 72074.

It is an arithmetic number, because the mean of its divisors is an integer number (8495760).

Almost surely, 2^165428364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165428364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203898240).

165428364 is an abundant number, since it is smaller than the sum of its proper divisors (242368116).

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

165428364 is a wasteful number, since it uses less digits than its factorization.

165428364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670 (or 2668 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 165428364 is about 12861.8958167138. The cubic root of 165428364 is about 548.9548902720.

The spelling of 165428364 in words is "one hundred sixty-five million, four hundred twenty-eight thousand, three hundred sixty-four".