655522070217 has 24 divisors (see below), whose sum is σ = 1033960802400. Its totient is φ = 368235153216.

The previous prime is 655522070207. The next prime is 655522070237. The reversal of 655522070217 is 712070225556.

It is not a de Polignac number, because 655522070217 - 2¹⁴ = 655522053833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655522070207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37782292 + ... + 37799637.

It is an arithmetic number, because the mean of its divisors is an integer number (43081700100).

Almost surely, 2^655522070217 is an apocalyptic number.

It is an amenable number.

655522070217 is a deficient number, since it is larger than the sum of its proper divisors (378438732183).

655522070217 is a wasteful number, since it uses less digits than its factorization.

655522070217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75582005 (or 75581998 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 655522070217 in words is "six hundred fifty-five billion, five hundred twenty-two million, seventy thousand, two hundred seventeen".