655534216 has 32 divisors (see below), whose sum is σ = 1247762880. Its totient is φ = 322833600.

The previous prime is 655534213. The next prime is 655534261. The reversal of 655534216 is 612435556.

It is not an unprimeable number, because it can be changed into a prime (655534211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152821 + ... + 157051.

It is an arithmetic number, because the mean of its divisors is an integer number (38992590).

Almost surely, 2^655534216 is an apocalyptic number.

It is an amenable number.

655534216 is a deficient number, since it is larger than the sum of its proper divisors (592228664).

655534216 is a wasteful number, since it uses less digits than its factorization.

655534216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4525 (or 4521 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 655534216 is about 25603.4024301459. The cubic root of 655534216 is about 868.6905990750.

The spelling of 655534216 in words is "six hundred fifty-five million, five hundred thirty-four thousand, two hundred sixteen".