165380430 has 32 divisors (see below), whose sum is σ = 400850208. Its totient is φ = 43664000.

The previous prime is 165380407. The next prime is 165380459. The reversal of 165380430 is 34083561.

165380430 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 24261 + ... + 30320.

It is an arithmetic number, because the mean of its divisors is an integer number (12526569).

Almost surely, 2^165380430 is an apocalyptic number.

165380430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165380430 is an abundant number, since it is smaller than the sum of its proper divisors (235469778).

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

165380430 is a wasteful number, since it uses less digits than its factorization.

165380430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54692.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 165380430 is about 12860.0322705660. The cubic root of 165380430 is about 548.9018640053.

The spelling of 165380430 in words is "one hundred sixty-five million, three hundred eighty thousand, four hundred thirty".