655516730 has 32 divisors (see below), whose sum is σ = 1305341568. Its totient is φ = 235009600.

The previous prime is 655516699. The next prime is 655516747. The reversal of 655516730 is 37615556.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34157 + ... + 49776.

It is an arithmetic number, because the mean of its divisors is an integer number (40791924).

Almost surely, 2^655516730 is an apocalyptic number.

655516730 is a deficient number, since it is larger than the sum of its proper divisors (649824838).

655516730 is a wasteful number, since it uses less digits than its factorization.

655516730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84022.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 655516730 is about 25603.0609498161. The cubic root of 655516730 is about 868.6828750648.

The spelling of 655516730 in words is "six hundred fifty-five million, five hundred sixteen thousand, seven hundred thirty".