6577400113 has 8 divisors (see below), whose sum is σ = 7134167880. Its totient is φ = 6039505920.

The previous prime is 6577400111. The next prime is 6577400119. The reversal of 6577400113 is 3110047756.

It can be written as a sum of positive squares in 4 ways, for example, as 236144689 + 6341255424 = 15367^2 + 79632^2 .

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 6577400113 - 2¹ = 6577400111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6577400111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4717668 + ... + 4719061.

It is an arithmetic number, because the mean of its divisors is an integer number (891770985).

Almost surely, 2^6577400113 is an apocalyptic number.

It is an amenable number.

6577400113 is a deficient number, since it is larger than the sum of its proper divisors (556767767).

6577400113 is a wasteful number, since it uses less digits than its factorization.

6577400113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9436787.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 6577400113 is about 81101.1720815427. The cubic root of 6577400113 is about 1873.6339787112.

Adding to 6577400113 its reverse (3110047756), we get a palindrome (9687447869).

The spelling of 6577400113 in words is "six billion, five hundred seventy-seven million, four hundred thousand, one hundred thirteen".