655465611 has 4 divisors (see below), whose sum is σ = 873954152. Its totient is φ = 436977072.

The previous prime is 655465589. The next prime is 655465621. The reversal of 655465611 is 116564556.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 655465611 - 2¹¹ = 655463563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 655465611.

It is not an unprimeable number, because it can be changed into a prime (655465621) 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, 109244266 + ... + 109244271.

It is an arithmetic number, because the mean of its divisors is an integer number (218488538).

Almost surely, 2^655465611 is an apocalyptic number.

655465611 is a deficient number, since it is larger than the sum of its proper divisors (218488541).

655465611 is a wasteful number, since it uses less digits than its factorization.

655465611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218488540.

The product of its digits is 108000, while the sum is 39.

The square root of 655465611 is about 25602.0626317490. The cubic root of 655465611 is about 868.6602937168.

The spelling of 655465611 in words is "six hundred fifty-five million, four hundred sixty-five thousand, six hundred eleven".