6604361405 has 8 divisors (see below), whose sum is σ = 7932425472. Its totient is φ = 5278694608.

The previous prime is 6604361363. The next prime is 6604361419. The reversal of 6604361405 is 5041634066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6604361405 - 2⁶ = 6604361341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593249 + ... + 604278.

It is an arithmetic number, because the mean of its divisors is an integer number (991553184).

Almost surely, 2^6604361405 is an apocalyptic number.

It is an amenable number.

6604361405 is a deficient number, since it is larger than the sum of its proper divisors (1328064067).

6604361405 is a wasteful number, since it uses less digits than its factorization.

6604361405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198635.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 6604361405 is about 81267.2222055116. Note that the first 4 decimals coincide. The cubic root of 6604361405 is about 1876.1905474768.

The spelling of 6604361405 in words is "six billion, six hundred four million, three hundred sixty-one thousand, four hundred five".