164443260 has 24 divisors (see below), whose sum is σ = 460441296. Its totient is φ = 43851520.

The previous prime is 164443243. The next prime is 164443267. The reversal of 164443260 is 62344461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164443267) 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, 1370301 + ... + 1370420.

It is an arithmetic number, because the mean of its divisors is an integer number (19185054).

Almost surely, 2^164443260 is an apocalyptic number.

164443260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164443260 is an abundant number, since it is smaller than the sum of its proper divisors (295998036).

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

164443260 is a wasteful number, since it uses less digits than its factorization.

164443260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740733 (or 2740731 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 164443260 is about 12823.5431921135. The cubic root of 164443260 is about 547.8630689539.

The spelling of 164443260 in words is "one hundred sixty-four million, four hundred forty-three thousand, two hundred sixty".