655676286169 has 4 divisors (see below), whose sum is σ = 655677905680. Its totient is φ = 655674666660.

The previous prime is 655676286157. The next prime is 655676286173. The reversal of 655676286169 is 961682676556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 655676286169 - 2²³ = 655667897561 is a prime.

It is a super-2 number, since 2×655676286169² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655676286869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397102 + ... + 1212040.

It is an arithmetic number, because the mean of its divisors is an integer number (163919476420).

Almost surely, 2^655676286169 is an apocalyptic number.

It is an amenable number.

655676286169 is a deficient number, since it is larger than the sum of its proper divisors (1619511).

655676286169 is an equidigital number, since it uses as much as digits as its factorization.

655676286169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619510.

The product of its digits is 195955200, while the sum is 67.

The spelling of 655676286169 in words is "six hundred fifty-five billion, six hundred seventy-six million, two hundred eighty-six thousand, one hundred sixty-nine".