556164507100 has 18 divisors (see below), whose sum is σ = 1206876980624. Its totient is φ = 222465802800.

The previous prime is 556164507077. The next prime is 556164507109. The reversal of 556164507100 is 1705461655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556164507109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2780822436 + ... + 2780822635.

Almost surely, 2^556164507100 is an apocalyptic number.

556164507100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

556164507100 is an abundant number, since it is smaller than the sum of its proper divisors (650712473524).

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

556164507100 is a wasteful number, since it uses less digits than its factorization.

556164507100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561645085 (or 5561645078 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

Adding to 556164507100 its reverse (1705461655), we get a palindrome (557869968755).

The spelling of 556164507100 in words is "five hundred fifty-six billion, one hundred sixty-four million, five hundred seven thousand, one hundred".