164251043 has 8 divisors (see below), whose sum is σ = 183553776. Its totient is φ = 145676800.

The previous prime is 164251007. The next prime is 164251057. The reversal of 164251043 is 340152461.

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 164251043 - 2¹⁰ = 164250019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164251343) 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, 181646 + ... + 182547.

It is an arithmetic number, because the mean of its divisors is an integer number (22944222).

Almost surely, 2^164251043 is an apocalyptic number.

164251043 is a deficient number, since it is larger than the sum of its proper divisors (19302733).

164251043 is a wasteful number, since it uses less digits than its factorization.

164251043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364245.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 164251043 is about 12816.0463092172. The cubic root of 164251043 is about 547.6495208203.

The spelling of 164251043 in words is "one hundred sixty-four million, two hundred fifty-one thousand, forty-three".