164165500 has 24 divisors (see below), whose sum is σ = 358538544. Its totient is φ = 65666000.

The previous prime is 164165497. The next prime is 164165503. The reversal of 164165500 is 5561461.

164165500 is digitally balanced in base 3, 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 (164165497) and next prime (164165503).

It is a super-2 number, since 2×164165500² = 53900622780500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164165503) 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 7 ways as a sum of consecutive naturals, for example, 163666 + ... + 164665.

It is an arithmetic number, because the mean of its divisors is an integer number (14939106).

Almost surely, 2^164165500 is an apocalyptic number.

164165500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164165500 is an abundant number, since it is smaller than the sum of its proper divisors (194373044).

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

164165500 is a wasteful number, since it uses less digits than its factorization.

164165500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328350 (or 328338 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 164165500 is about 12812.7085348883. The cubic root of 164165500 is about 547.5544311792.

The spelling of 164165500 in words is "one hundred sixty-four million, one hundred sixty-five thousand, five hundred".