655116800 has 240 divisors, whose sum is σ = 1818550272. Its totient is φ = 232243200.

The previous prime is 655116799. The next prime is 655116823. The reversal of 655116800 is 8611556.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5158337 + ... + 5158463.

Almost surely, 2^655116800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655116800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909275136).

655116800 is an abundant number, since it is smaller than the sum of its proper divisors (1163433472).

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

655116800 is a wasteful number, since it uses less digits than its factorization.

655116800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 655116800 is about 25595.2495592444. The cubic root of 655116800 is about 868.5061783195.

The spelling of 655116800 in words is "six hundred fifty-five million, one hundred sixteen thousand, eight hundred".