556206616 has 32 divisors (see below), whose sum is σ = 1208666880. Its totient is φ = 235015200.

The previous prime is 556206613. The next prime is 556206641. The reversal of 556206616 is 616602655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556206611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65970 + ... + 73921.

It is an arithmetic number, because the mean of its divisors is an integer number (37770840).

Almost surely, 2^556206616 is an apocalyptic number.

556206616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

556206616 is an abundant number, since it is smaller than the sum of its proper divisors (652460264).

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

556206616 is a wasteful number, since it uses less digits than its factorization.

556206616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139975 (or 139971 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 556206616 is about 23584.0330732468. The cubic root of 556206616 is about 822.3916967057.

The spelling of 556206616 in words is "five hundred fifty-six million, two hundred six thousand, six hundred sixteen".