655486845 has 16 divisors (see below), whose sum is σ = 1129454592. Its totient is φ = 322701120.

The previous prime is 655486841. The next prime is 655486849. The reversal of 655486845 is 548684556.

It is an interprime number because it is at equal distance from previous prime (655486841) and next prime (655486849).

It is not a de Polignac number, because 655486845 - 2² = 655486841 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655486841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680541 + ... + 1680930.

It is an arithmetic number, because the mean of its divisors is an integer number (70590912).

Almost surely, 2^655486845 is an apocalyptic number.

655486845 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

655486845 is a deficient number, since it is larger than the sum of its proper divisors (473967747).

655486845 is a wasteful number, since it uses less digits than its factorization.

655486845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361492.

The product of its digits is 4608000, while the sum is 51.

The square root of 655486845 is about 25602.4773215406. The cubic root of 655486845 is about 868.6696737835.

The spelling of 655486845 in words is "six hundred fifty-five million, four hundred eighty-six thousand, eight hundred forty-five".