164550930 has 32 divisors (see below), whose sum is σ = 408542400. Its totient is φ = 42366912.

The previous prime is 164550923. The next prime is 164550931. The reversal of 164550930 is 39055461.

It is a happy number.

164550930 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 164550891 and 164550900.

It is not an unprimeable number, because it can be changed into a prime (164550931) 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, 93700 + ... + 95439.

It is an arithmetic number, because the mean of its divisors is an integer number (12766950).

Almost surely, 2^164550930 is an apocalyptic number.

164550930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164550930 is an abundant number, since it is smaller than the sum of its proper divisors (243991470).

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

164550930 is a wasteful number, since it uses less digits than its factorization.

164550930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189178.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 164550930 is about 12827.7406428412. The cubic root of 164550930 is about 547.9826148426.

The spelling of 164550930 in words is "one hundred sixty-four million, five hundred fifty thousand, nine hundred thirty".