164330450 has 24 divisors (see below), whose sum is σ = 306092388. Its totient is φ = 65638080.

The previous prime is 164330447. The next prime is 164330531. The reversal of 164330450 is 54033461.

It can be written as a sum of positive squares in 6 ways, for example, as 70879561 + 93450889 = 8419^2 + 9667^2 .

It is a super-3 number, since 3×164330450³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40724 + ... + 44576.

Almost surely, 2^164330450 is an apocalyptic number.

164330450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164330450 is a deficient number, since it is larger than the sum of its proper divisors (141761938).

164330450 is a wasteful number, since it uses less digits than its factorization.

164330450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718 (or 4713 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 164330450 is about 12819.1438871712. The cubic root of 164330450 is about 547.7377601370.

The spelling of 164330450 in words is "one hundred sixty-four million, three hundred thirty thousand, four hundred fifty".