98556566 has 8 divisors (see below), whose sum is σ = 149143464. Its totient is φ = 48842080.

The previous prime is 98556551. The next prime is 98556569. The reversal of 98556566 is 66565589.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98556569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217820 + ... + 218271.

It is an arithmetic number, because the mean of its divisors is an integer number (18642933).

Almost surely, 2^98556566 is an apocalyptic number.

98556566 is a deficient number, since it is larger than the sum of its proper divisors (50586898).

98556566 is a wasteful number, since it uses less digits than its factorization.

98556566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436206.

The product of its digits is 1944000, while the sum is 50.

The square root of 98556566 is about 9927.5659655325. The cubic root of 98556566 is about 461.9147753568.

The spelling of 98556566 in words is "ninety-eight million, five hundred fifty-six thousand, five hundred sixty-six".