6446916924 has 24 divisors (see below), whose sum is σ = 17191778688. Its totient is φ = 1841976240.

The previous prime is 6446916913. The next prime is 6446916977. The reversal of 6446916924 is 4296196446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38374422 + ... + 38374589.

It is an arithmetic number, because the mean of its divisors is an integer number (716324112).

Almost surely, 2^6446916924 is an apocalyptic number.

It is an amenable number.

6446916924 is an abundant number, since it is smaller than the sum of its proper divisors (10744861764).

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

6446916924 is a wasteful number, since it uses less digits than its factorization.

6446916924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76749025 (or 76749023 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 51.

The square root of 6446916924 is about 80292.6953340091. The cubic root of 6446916924 is about 1861.1613477982.

The spelling of 6446916924 in words is "six billion, four hundred forty-six million, nine hundred sixteen thousand, nine hundred twenty-four".