164326620 has 48 divisors (see below), whose sum is σ = 472556448. Its totient is φ = 42635520.

The previous prime is 164326609. The next prime is 164326627. The reversal of 164326620 is 26623461.

164326620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (164326627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34791 + ... + 39230.

It is an arithmetic number, because the mean of its divisors is an integer number (9844926).

Almost surely, 2^164326620 is an apocalyptic number.

164326620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164326620 is an abundant number, since it is smaller than the sum of its proper divisors (308229828).

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

164326620 is a wasteful number, since it uses less digits than its factorization.

164326620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74070 (or 74068 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 164326620 is about 12818.9945003499. The cubic root of 164326620 is about 547.7335047846.

The spelling of 164326620 in words is "one hundred sixty-four million, three hundred twenty-six thousand, six hundred twenty".