4008168004 has 6 divisors (see below), whose sum is σ = 7014294014. Its totient is φ = 2004084000.

The previous prime is 4008167957. The next prime is 4008168007. The reversal of 4008168004 is 4008618004.

It can be written as a sum of positive squares in only one way, i.e., 3317529604 + 690638400 = 57598^2 + 26280^2 .

It is not an unprimeable number, because it can be changed into a prime (4008168007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501020997 + ... + 501021004.

Almost surely, 2^4008168004 is an apocalyptic number.

It is an amenable number.

4008168004 is a deficient number, since it is larger than the sum of its proper divisors (3006126010).

4008168004 is a wasteful number, since it uses less digits than its factorization.

4008168004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002042005 (or 1002042003 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 4008168004 is about 63310.0940135141. The cubic root of 4008168004 is about 1588.4808088583.

The spelling of 4008168004 in words is "four billion, eight million, one hundred sixty-eight thousand, four".