165930830 has 32 divisors (see below), whose sum is σ = 322303968. Its totient is φ = 61142400.

The previous prime is 165930823. The next prime is 165930839. The reversal of 165930830 is 38039561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165930839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84965 + ... + 86895.

It is an arithmetic number, because the mean of its divisors is an integer number (10071999).

Almost surely, 2^165930830 is an apocalyptic number.

165930830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165930830 is a deficient number, since it is larger than the sum of its proper divisors (156373138).

165930830 is a wasteful number, since it uses less digits than its factorization.

165930830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 165930830 is about 12881.4141304439. The cubic root of 165930830 is about 549.5101202722.

The spelling of 165930830 in words is "one hundred sixty-five million, nine hundred thirty thousand, eight hundred thirty".