5405661168 has 40 divisors (see below), whose sum is σ = 14003568000. Its totient is φ = 1796862144.

The previous prime is 5405661143. The next prime is 5405661199. The reversal of 5405661168 is 8611665045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139618 + ... + 174081.

It is an arithmetic number, because the mean of its divisors is an integer number (350089200).

Almost surely, 2^5405661168 is an apocalyptic number.

It is an amenable number.

5405661168 is an abundant number, since it is smaller than the sum of its proper divisors (8597906832).

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

5405661168 is a wasteful number, since it uses less digits than its factorization.

5405661168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314069 (or 314063 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 5405661168 is about 73523.2015625000. The cubic root of 5405661168 is about 1755.0235160525.

The spelling of 5405661168 in words is "five billion, four hundred five million, six hundred sixty-one thousand, one hundred sixty-eight".