6554415138 has 16 divisors (see below), whose sum is σ = 13331014560. Its totient is φ = 2147774336.

The previous prime is 6554415113. The next prime is 6554415143. The reversal of 6554415138 is 8315144556.

It is a self number, because there is not a number n which added to its sum of digits gives 6554415138.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9257295 + ... + 9258002.

It is an arithmetic number, because the mean of its divisors is an integer number (833188410).

Almost surely, 2^6554415138 is an apocalyptic number.

6554415138 is an abundant number, since it is smaller than the sum of its proper divisors (6776599422).

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

6554415138 is a wasteful number, since it uses less digits than its factorization.

6554415138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18515361.

The product of its digits is 288000, while the sum is 42.

The square root of 6554415138 is about 80959.3424998005. The cubic root of 6554415138 is about 1871.4489364132.

The spelling of 6554415138 in words is "six billion, five hundred fifty-four million, four hundred fifteen thousand, one hundred thirty-eight".