8143604406 has 40 divisors (see below), whose sum is σ = 20854524240. Its totient is φ = 2326743792.

The previous prime is 8143604351. The next prime is 8143604419. The reversal of 8143604406 is 6044063418.

8143604406 is a `hidden beast` number, since 8 + 1 + 4 + 3 + 604 + 40 + 6 = 666.

It is a super-2 number, since 2×8143604406² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3589521 + ... + 3591788.

It is an arithmetic number, because the mean of its divisors is an integer number (521363106).

Almost surely, 2^8143604406 is an apocalyptic number.

8143604406 is an abundant number, since it is smaller than the sum of its proper divisors (12710919834).

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

8143604406 is a wasteful number, since it uses less digits than its factorization.

8143604406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7181330 (or 7181321 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 8143604406 is about 90241.9215553392. The cubic root of 8143604406 is about 2011.8961345318.

The spelling of 8143604406 in words is "eight billion, one hundred forty-three million, six hundred four thousand, four hundred six".