164546730 has 48 divisors (see below), whose sum is σ = 433255680. Its totient is φ = 43321824.

The previous prime is 164546719. The next prime is 164546731. The reversal of 164546730 is 37645461.

It is a happy number.

164546730 is a `hidden beast` number, since 1 + 645 + 4 + 6 + 7 + 3 + 0 = 666.

164546730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164546731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4462 + ... + 18681.

It is an arithmetic number, because the mean of its divisors is an integer number (9026160).

Almost surely, 2^164546730 is an apocalyptic number.

164546730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164546730 is an abundant number, since it is smaller than the sum of its proper divisors (268708950).

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

164546730 is a wasteful number, since it uses less digits than its factorization.

164546730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23235 (or 23232 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 164546730 is about 12827.5769340901. The cubic root of 164546730 is about 547.9779525646.

The spelling of 164546730 in words is "one hundred sixty-four million, five hundred forty-six thousand, seven hundred thirty".