164144043 has 16 divisors (see below), whose sum is σ = 277916160. Its totient is φ = 93796488.

The previous prime is 164144041. The next prime is 164144051. The reversal of 164144043 is 340441461.

164144043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164144043 - 2¹ = 164144041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 164143998 and 164144016.

It is not an unprimeable number, because it can be changed into a prime (164144041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434055 + ... + 434432.

It is an arithmetic number, because the mean of its divisors is an integer number (17369760).

Almost surely, 2^164144043 is an apocalyptic number.

164144043 is a deficient number, since it is larger than the sum of its proper divisors (113772117).

164144043 is an equidigital number, since it uses as much as digits as its factorization.

164144043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868503 (or 868497 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 164144043 is about 12811.8711748128. The cubic root of 164144043 is about 547.5305743857.

The spelling of 164144043 in words is "one hundred sixty-four million, one hundred forty-four thousand, forty-three".