6605654461 has 4 divisors (see below), whose sum is σ = 7549319392. Its totient is φ = 5661989532.

The previous prime is 6605654459. The next prime is 6605654483. The reversal of 6605654461 is 1644565066.

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.

It is a cyclic number.

It is not a de Polignac number, because 6605654461 - 2¹ = 6605654459 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 (6605655461) 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, 471832455 + ... + 471832468.

It is an arithmetic number, because the mean of its divisors is an integer number (1887329848).

Almost surely, 2^6605654461 is an apocalyptic number.

It is an amenable number.

6605654461 is a deficient number, since it is larger than the sum of its proper divisors (943664931).

6605654461 is an equidigital number, since it uses as much as digits as its factorization.

6605654461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943664930.

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 6605654461 is about 81275.1773975302. The cubic root of 6605654461 is about 1876.3129848069.

The spelling of 6605654461 in words is "six billion, six hundred five million, six hundred fifty-four thousand, four hundred sixty-one".