164074449 has 32 divisors (see below), whose sum is σ = 273401856. Its totient is φ = 85029120.

The previous prime is 164074447. The next prime is 164074453. The reversal of 164074449 is 944470461.

It is not a de Polignac number, because 164074449 - 2¹ = 164074447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164074441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167449 + ... + 168425.

It is an arithmetic number, because the mean of its divisors is an integer number (8543808).

Almost surely, 2^164074449 is an apocalyptic number.

It is an amenable number.

164074449 is a deficient number, since it is larger than the sum of its proper divisors (109327407).

164074449 is a wasteful number, since it uses less digits than its factorization.

164074449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 164074449 is about 12809.1548901557. The cubic root of 164074449 is about 547.4531825441.

The spelling of 164074449 in words is "one hundred sixty-four million, seventy-four thousand, four hundred forty-nine".