165835830 has 16 divisors (see below), whose sum is σ = 398006064. Its totient is φ = 44222880.

The previous prime is 165835801. The next prime is 165835837. The reversal of 165835830 is 38538561.

165835830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165835837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2763901 + ... + 2763960.

It is an arithmetic number, because the mean of its divisors is an integer number (24875379).

Almost surely, 2^165835830 is an apocalyptic number.

165835830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165835830 is an abundant number, since it is smaller than the sum of its proper divisors (232170234).

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

165835830 is a wasteful number, since it uses less digits than its factorization.

165835830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527871.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 165835830 is about 12877.7261191563. The cubic root of 165835830 is about 549.4052303265.

The spelling of 165835830 in words is "one hundred sixty-five million, eight hundred thirty-five thousand, eight hundred thirty".