6721763466 has 32 divisors (see below), whose sum is σ = 14842372608. Its totient is φ = 2012355440.

The previous prime is 6721763453. The next prime is 6721763497. The reversal of 6721763466 is 6643671276.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608046 + ... + 619001.

It is an arithmetic number, because the mean of its divisors is an integer number (463824144).

Almost surely, 2^6721763466 is an apocalyptic number.

6721763466 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6721763466 is an abundant number, since it is smaller than the sum of its proper divisors (8120609142).

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

6721763466 is a wasteful number, since it uses less digits than its factorization.

6721763466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227146.

The product of its digits is 1524096, while the sum is 48.

The square root of 6721763466 is about 81986.3614633556. The cubic root of 6721763466 is about 1887.2426469937.

The spelling of 6721763466 in words is "six billion, seven hundred twenty-one million, seven hundred sixty-three thousand, four hundred sixty-six".