6480181764 has 60 divisors (see below), whose sum is σ = 19360549824. Its totient is φ = 1851479856.

The previous prime is 6480181717. The next prime is 6480181801. The reversal of 6480181764 is 4671810846.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1426344 + ... + 1430879.

Almost surely, 2^6480181764 is an apocalyptic number.

It is an amenable number.

6480181764 is an abundant number, since it is smaller than the sum of its proper divisors (12880368060).

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

6480181764 is a wasteful number, since it uses less digits than its factorization.

6480181764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857246 (or 2857235 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 6480181764 is about 80499.5761727973. The cubic root of 6480181764 is about 1864.3569349837.

The spelling of 6480181764 in words is "six billion, four hundred eighty million, one hundred eighty-one thousand, seven hundred sixty-four".