6504161091 has 8 divisors (see below), whose sum is σ = 8692337664. Its totient is φ = 4326045960.

The previous prime is 6504161063. The next prime is 6504161107. The reversal of 6504161091 is 1901614056.

6504161091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6504161091 - 2¹³ = 6504152899 is a prime.

It is a super-2 number, since 2×6504161091² = 84608222995356620562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6504161591) 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, 2513851 + ... + 2516436.

It is an arithmetic number, because the mean of its divisors is an integer number (1086542208).

Almost surely, 2^6504161091 is an apocalyptic number.

6504161091 is a deficient number, since it is larger than the sum of its proper divisors (2188176573).

6504161091 is a wasteful number, since it uses less digits than its factorization.

6504161091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030721.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 6504161091 is about 80648.3793451549. The cubic root of 6504161091 is about 1866.6537323969.

The spelling of 6504161091 in words is "six billion, five hundred four million, one hundred sixty-one thousand, ninety-one".