5405163806 has 16 divisors (see below), whose sum is σ = 9668865024. Its totient is φ = 2215781304.

The previous prime is 5405163793. The next prime is 5405163847. The reversal of 5405163806 is 6083615045.

It is a self number, because there is not a number n which added to its sum of digits gives 5405163806.

It is a congruent number.

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, 8392790 + ... + 8393433.

It is an arithmetic number, because the mean of its divisors is an integer number (604304064).

Almost surely, 2^5405163806 is an apocalyptic number.

5405163806 is a deficient number, since it is larger than the sum of its proper divisors (4263701218).

5405163806 is a wasteful number, since it uses less digits than its factorization.

5405163806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16786255.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 5405163806 is about 73519.8191374272. The cubic root of 5405163806 is about 1754.9696892247.

The spelling of 5405163806 in words is "five billion, four hundred five million, one hundred sixty-three thousand, eight hundred six".