4205162661 has 16 divisors (see below), whose sum is σ = 6628828800. Its totient is φ = 2320089408.

The previous prime is 4205162651. The next prime is 4205162699. The reversal of 4205162661 is 1662615024.

It is not a de Polignac number, because 4205162661 - 2⁵ = 4205162629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4205162651) 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, 3451906 + ... + 3453123.

It is an arithmetic number, because the mean of its divisors is an integer number (414301800).

Almost surely, 2^4205162661 is an apocalyptic number.

It is an amenable number.

4205162661 is a deficient number, since it is larger than the sum of its proper divisors (2423666139).

4205162661 is a wasteful number, since it uses less digits than its factorization.

4205162661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905068.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 4205162661 is about 64847.2255458936. The cubic root of 4205162661 is about 1614.0894535288.

Adding to 4205162661 its reverse (1662615024), we get a palindrome (5867777685).

The spelling of 4205162661 in words is "four billion, two hundred five million, one hundred sixty-two thousand, six hundred sixty-one".