6556103012 has 6 divisors (see below), whose sum is σ = 11473180278. Its totient is φ = 3278051504.

The previous prime is 6556102979. The next prime is 6556103087. The reversal of 6556103012 is 2103016556.

It can be written as a sum of positive squares in only one way, i.e., 4863109696 + 1692993316 = 69736^2 + 41146^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 819512873 + ... + 819512880.

It is an arithmetic number, because the mean of its divisors is an integer number (1912196713).

Almost surely, 2^6556103012 is an apocalyptic number.

It is an amenable number.

6556103012 is a deficient number, since it is larger than the sum of its proper divisors (4917077266).

6556103012 is a wasteful number, since it uses less digits than its factorization.

6556103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639025757 (or 1639025755 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 6556103012 is about 80969.7660364657. The cubic root of 6556103012 is about 1871.6095659954.

Adding to 6556103012 its reverse (2103016556), we get a palindrome (8659119568).

The spelling of 6556103012 in words is "six billion, five hundred fifty-six million, one hundred three thousand, twelve".