164103820 has 12 divisors (see below), whose sum is σ = 344618064. Its totient is φ = 65641520.

The previous prime is 164103811. The next prime is 164103857. The reversal of 164103820 is 28301461.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4102576 + ... + 4102615.

It is an arithmetic number, because the mean of its divisors is an integer number (28718172).

Almost surely, 2^164103820 is an apocalyptic number.

164103820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164103820 is an abundant number, since it is smaller than the sum of its proper divisors (180514244).

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

164103820 is a wasteful number, since it uses less digits than its factorization.

164103820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8205200 (or 8205198 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 164103820 is about 12810.3013235443. The cubic root of 164103820 is about 547.4858471630.

The spelling of 164103820 in words is "one hundred sixty-four million, one hundred three thousand, eight hundred twenty".