164430451 has 8 divisors (see below), whose sum is σ = 165395664. Its totient is φ = 163468800.

The previous prime is 164430439. The next prime is 164430457. The reversal of 164430451 is 154034461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164430451 - 2⁵ = 164430419 is a prime.

It is a super-3 number, since 3×164430451³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164430457) 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, 173160 + ... + 174106.

It is an arithmetic number, because the mean of its divisors is an integer number (20674458).

Almost surely, 2^164430451 is an apocalyptic number.

164430451 is a deficient number, since it is larger than the sum of its proper divisors (965213).

164430451 is an equidigital number, since it uses as much as digits as its factorization.

164430451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 164430451 is about 12823.0437494380. The cubic root of 164430451 is about 547.8488436617.

The spelling of 164430451 in words is "one hundred sixty-four million, four hundred thirty thousand, four hundred fifty-one".