655120608 has 48 divisors (see below), whose sum is σ = 1810206720. Its totient is φ = 206879616.

The previous prime is 655120603. The next prime is 655120649. The reversal of 655120608 is 806021556.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×655120608² = 858366022052579328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655120603) 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, 177760 + ... + 181407.

It is an arithmetic number, because the mean of its divisors is an integer number (37712640).

Almost surely, 2^655120608 is an apocalyptic number.

It is an amenable number.

655120608 is an abundant number, since it is smaller than the sum of its proper divisors (1155086112).

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

655120608 is a wasteful number, since it uses less digits than its factorization.

655120608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359199 (or 359191 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 655120608 is about 25595.3239479402. The cubic root of 655120608 is about 868.5078611060.

The spelling of 655120608 in words is "six hundred fifty-five million, one hundred twenty thousand, six hundred eight".