4161722642 has 24 divisors (see below), whose sum is σ = 7841926848. Its totient is φ = 1621449720.

The previous prime is 4161722623. The next prime is 4161722687. The reversal of 4161722642 is 2462271614.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1226678 + ... + 1230065.

It is an arithmetic number, because the mean of its divisors is an integer number (326746952).

Almost surely, 2^4161722642 is an apocalyptic number.

4161722642 is a deficient number, since it is larger than the sum of its proper divisors (3680204206).

4161722642 is a wasteful number, since it uses less digits than its factorization.

4161722642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456774 (or 2456763 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 4161722642 is about 64511.4148193946. The cubic root of 4161722642 is about 1608.5122686675.

It can be divided in two parts, 416172 and 2642, that added together give a palindrome (418814).

The spelling of 4161722642 in words is "four billion, one hundred sixty-one million, seven hundred twenty-two thousand, six hundred forty-two".