655485696 has 216 divisors, whose sum is σ = 2015539344. Its totient is φ = 212336640.

The previous prime is 655485689. The next prime is 655485709. The reversal of 655485696 is 696584556.

655485696 is a `hidden beast` number, since 6 + 5 + 548 + 5 + 6 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a super-2 number, since 2×655485696² = 859322995321208832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 2550400 + ... + 2550656.

Almost surely, 2^655485696 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 655485696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1007769672).

655485696 is an abundant number, since it is smaller than the sum of its proper divisors (1360053648).

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

655485696 is an equidigital number, since it uses as much as digits as its factorization.

655485696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 303 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The square root of 655485696 is about 25602.4548822960. The cubic root of 655485696 is about 868.6691662208.

The spelling of 655485696 in words is "six hundred fifty-five million, four hundred eighty-five thousand, six hundred ninety-six".