164307450 has 48 divisors (see below), whose sum is σ = 413589600. Its totient is φ = 43158720.

The previous prime is 164307449. The next prime is 164307457. The reversal of 164307450 is 54703461.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (164307457) 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, 1876 + ... + 18224.

It is an arithmetic number, because the mean of its divisors is an integer number (8616450).

Almost surely, 2^164307450 is an apocalyptic number.

164307450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 164307450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206794800).

164307450 is an abundant number, since it is smaller than the sum of its proper divisors (249282150).

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

164307450 is a wasteful number, since it uses less digits than its factorization.

164307450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16431 (or 16426 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 164307450 is about 12818.2467599902. The cubic root of 164307450 is about 547.7122048078.

The spelling of 164307450 in words is "one hundred sixty-four million, three hundred seven thousand, four hundred fifty".