4164572505 has 16 divisors (see below), whose sum is σ = 6669276480. Its totient is φ = 2219118528.

The previous prime is 4164572473. The next prime is 4164572507. The reversal of 4164572505 is 5052754614.

It is not a de Polignac number, because 4164572505 - 2⁵ = 4164572473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4164572507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106770 + ... + 140459.

It is an arithmetic number, because the mean of its divisors is an integer number (416829780).

Almost surely, 2^4164572505 is an apocalyptic number.

It is an amenable number.

4164572505 is a deficient number, since it is larger than the sum of its proper divisors (2504703975).

4164572505 is a wasteful number, since it uses less digits than its factorization.

4164572505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248360.

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 4164572505 is about 64533.4990915571. The cubic root of 4164572505 is about 1608.8793437178.

The spelling of 4164572505 in words is "four billion, one hundred sixty-four million, five hundred seventy-two thousand, five hundred five".