6554389156 has 36 divisors (see below), whose sum is σ = 13347560268. Its totient is φ = 2808035328.

The previous prime is 6554389123. The next prime is 6554389159. The reversal of 6554389156 is 6519834556.

It can be written as a sum of positive squares in 2 ways, for example, as 3550253056 + 3004136100 = 59584^2 + 54810^2 .

It is not an unprimeable number, because it can be changed into a prime (6554389159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 935940 + ... + 942916.

It is an arithmetic number, because the mean of its divisors is an integer number (370765563).

Almost surely, 2^6554389156 is an apocalyptic number.

It is an amenable number.

6554389156 is an abundant number, since it is smaller than the sum of its proper divisors (6793171112).

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

6554389156 is a wasteful number, since it uses less digits than its factorization.

6554389156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11788 (or 11779 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 52.

The square root of 6554389156 is about 80959.1820363818. The cubic root of 6554389156 is about 1871.4464635737.

The spelling of 6554389156 in words is "six billion, five hundred fifty-four million, three hundred eighty-nine thousand, one hundred fifty-six".