4423661166 has 16 divisors (see below), whose sum is σ = 8853282000. Its totient is φ = 1473560448.

The previous prime is 4423661159. The next prime is 4423661173. The reversal of 4423661166 is 6611663244.

It is an interprime number because it is at equal distance from previous prime (4423661159) and next prime (4423661173).

It is a super-2 number, since 2×4423661166² = 39137556223152959112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238641 + ... + 256508.

It is an arithmetic number, because the mean of its divisors is an integer number (553330125).

Almost surely, 2^4423661166 is an apocalyptic number.

4423661166 is an abundant number, since it is smaller than the sum of its proper divisors (4429620834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4423661166 is a wasteful number, since it uses less digits than its factorization.

4423661166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496643.

The product of its digits is 124416, while the sum is 39.

The square root of 4423661166 is about 66510.6094243618. The cubic root of 4423661166 is about 1641.5745791125.

The spelling of 4423661166 in words is "four billion, four hundred twenty-three million, six hundred sixty-one thousand, one hundred sixty-six".