164214620 has 24 divisors (see below), whose sum is σ = 345156000. Its totient is φ = 65627712.

The previous prime is 164214613. The next prime is 164214643. The reversal of 164214620 is 26412461.

It is a self number, because there is not a number n which added to its sum of digits gives 164214620.

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, 25046 + ... + 30914.

It is an arithmetic number, because the mean of its divisors is an integer number (14381500).

Almost surely, 2^164214620 is an apocalyptic number.

164214620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164214620 is an abundant number, since it is smaller than the sum of its proper divisors (180941380).

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

164214620 is a wasteful number, since it uses less digits than its factorization.

164214620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7277 (or 7275 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 164214620 is about 12814.6252383751. The cubic root of 164214620 is about 547.6090370325.

The spelling of 164214620 in words is "one hundred sixty-four million, two hundred fourteen thousand, six hundred twenty".