655223782130 has 8 divisors (see below), whose sum is σ = 1179402807852. Its totient is φ = 262089512848.

The previous prime is 655223782127. The next prime is 655223782151. The reversal of 655223782130 is 31287322556.

It is a happy number.

655223782130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 605419379569 + 49804402561 = 778087^2 + 223169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32761189097 + ... + 32761189116.

Almost surely, 2^655223782130 is an apocalyptic number.

655223782130 is a deficient number, since it is larger than the sum of its proper divisors (524179025722).

655223782130 is a wasteful number, since it uses less digits than its factorization.

655223782130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65522378220.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 655223782130 in words is "six hundred fifty-five billion, two hundred twenty-three million, seven hundred eighty-two thousand, one hundred thirty".