556663163100 has 144 divisors (see below), whose sum is σ = 1757398519296. Its totient is φ = 134920448000.

The previous prime is 556663163027. The next prime is 556663163101. The reversal of 556663163100 is 1361366655.

556663163100 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×556663163100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556663163101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18831532 + ... + 18861068.

It is an arithmetic number, because the mean of its divisors is an integer number (12204156384).

Almost surely, 2^556663163100 is an apocalyptic number.

556663163100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556663163100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (878699259648).

556663163100 is an abundant number, since it is smaller than the sum of its proper divisors (1200735356196).

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

556663163100 is a wasteful number, since it uses less digits than its factorization.

556663163100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35276 (or 35269 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 556663163100 in words is "five hundred fifty-six billion, six hundred sixty-three million, one hundred sixty-three thousand, one hundred".