164284340 has 24 divisors (see below), whose sum is σ = 376360992. Its totient is φ = 59739680.

The previous prime is 164284321. The next prime is 164284387. The reversal of 164284340 is 43482461.

It is a junction number, because it is equal to n+sod(n) for n = 164284297 and 164284306.

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, 373154 + ... + 373593.

It is an arithmetic number, because the mean of its divisors is an integer number (15681708).

Almost surely, 2^164284340 is an apocalyptic number.

164284340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164284340 is an abundant number, since it is smaller than the sum of its proper divisors (212076652).

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

164284340 is a wasteful number, since it uses less digits than its factorization.

164284340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746767 (or 746765 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 164284340 is about 12817.3452789569. The cubic root of 164284340 is about 547.6865248553.

The spelling of 164284340 in words is "one hundred sixty-four million, two hundred eighty-four thousand, three hundred forty".