164430190 has 16 divisors (see below), whose sum is σ = 297380880. Its totient is φ = 65459520.

The previous prime is 164430179. The next prime is 164430191. The reversal of 164430190 is 91034461.

It is a super-3 number, since 3×164430190³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164430191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36855 + ... + 41074.

It is an arithmetic number, because the mean of its divisors is an integer number (18586305).

Almost surely, 2^164430190 is an apocalyptic number.

164430190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164430190 is a deficient number, since it is larger than the sum of its proper divisors (132950690).

164430190 is a wasteful number, since it uses less digits than its factorization.

164430190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78147.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 164430190 is about 12823.0335724430. The cubic root of 164430190 is about 547.8485537952.

It can be divided in two parts, 1644301 and 90, that added together give a triangular number (1644391 = T₁₈₁₃).

The spelling of 164430190 in words is "one hundred sixty-four million, four hundred thirty thousand, one hundred ninety".