4423661164 has 24 divisors (see below), whose sum is σ = 8338710240. Its totient is φ = 2041246464.

The previous prime is 4423661159. The next prime is 4423661173. The reversal of 4423661164 is 4611663244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450297 + ... + 460015.

It is an arithmetic number, because the mean of its divisors is an integer number (347446260).

Almost surely, 2^4423661164 is an apocalyptic number.

It is an amenable number.

4423661164 is a deficient number, since it is larger than the sum of its proper divisors (3915049076).

4423661164 is a wasteful number, since it uses less digits than its factorization.

4423661164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18489 (or 18487 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 4423661164 is about 66510.6094093266. The cubic root of 4423661164 is about 1641.5745788651.

It can be divided in two parts, 4423661 and 164, that added together give a triangular number (4423825 = T₂₉₇₄).

The spelling of 4423661164 in words is "four billion, four hundred twenty-three million, six hundred sixty-one thousand, one hundred sixty-four".