6538658160 has 40 divisors (see below), whose sum is σ = 20269841040. Its totient is φ = 1743642112.

The previous prime is 6538658149. The next prime is 6538658197. The reversal of 6538658160 is 618568356.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13621965 + ... + 13622444.

It is an arithmetic number, because the mean of its divisors is an integer number (506746026).

Almost surely, 2^6538658160 is an apocalyptic number.

6538658160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6538658160 is an abundant number, since it is smaller than the sum of its proper divisors (13731182880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6538658160 is a wasteful number, since it uses less digits than its factorization.

6538658160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27244425 (or 27244419 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 6538658160 is about 80861.9698003950. The cubic root of 6538658160 is about 1869.9480630337.

The spelling of 6538658160 in words is "six billion, five hundred thirty-eight million, six hundred fifty-eight thousand, one hundred sixty".