6557800102 has 48 divisors (see below), whose sum is σ = 11729652480. Its totient is φ = 2693378016.

The previous prime is 6557800061. The next prime is 6557800103. The reversal of 6557800102 is 2010087556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6557800103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1634583 + ... + 1638589.

It is an arithmetic number, because the mean of its divisors is an integer number (244367760).

Almost surely, 2^6557800102 is an apocalyptic number.

6557800102 is a deficient number, since it is larger than the sum of its proper divisors (5171852378).

6557800102 is a wasteful number, since it uses less digits than its factorization.

6557800102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213 (or 4184 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 6557800102 is about 80980.2451342301. The cubic root of 6557800102 is about 1871.7710448416.

Adding to 6557800102 its reverse (2010087556), we get a palindrome (8567887658).

The spelling of 6557800102 in words is "six billion, five hundred fifty-seven million, eight hundred thousand, one hundred two".