165984830 has 16 divisors (see below), whose sum is σ = 325934064. Its totient is φ = 60358080.

The previous prime is 165984827. The next prime is 165984887. The reversal of 165984830 is 38489561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754367 + ... + 754586.

It is an arithmetic number, because the mean of its divisors is an integer number (20370879).

Almost surely, 2^165984830 is an apocalyptic number.

165984830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165984830 is a deficient number, since it is larger than the sum of its proper divisors (159949234).

165984830 is a wasteful number, since it uses less digits than its factorization.

165984830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508971.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 165984830 is about 12883.5100031009. The cubic root of 165984830 is about 549.5697240804.

The spelling of 165984830 in words is "one hundred sixty-five million, nine hundred eighty-four thousand, eight hundred thirty".