655254061607 has 6 divisors (see below), whose sum is σ = 670846912992. Its totient is φ = 640015593252.

The previous prime is 655254061603. The next prime is 655254061661. The reversal of 655254061607 is 706160452556.

It is not a de Polignac number, because 655254061607 - 2² = 655254061603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655254061601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177189623 + ... + 177193320.

It is an arithmetic number, because the mean of its divisors is an integer number (111807818832).

Almost surely, 2^655254061607 is an apocalyptic number.

655254061607 is a deficient number, since it is larger than the sum of its proper divisors (15592851385).

655254061607 is an equidigital number, since it uses as much as digits as its factorization.

655254061607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354383029 (or 354382986 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 655254061607 in words is "six hundred fifty-five billion, two hundred fifty-four million, sixty-one thousand, six hundred seven".