6551957946 has 16 divisors (see below), whose sum is σ = 13104756000. Its totient is φ = 2183845968.

The previous prime is 6551957941. The next prime is 6551958001. The reversal of 6551957946 is 6497591556.

It is not an unprimeable number, because it can be changed into a prime (6551957941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117480 + ... + 164028.

It is an arithmetic number, because the mean of its divisors is an integer number (819047250).

Almost surely, 2^6551957946 is an apocalyptic number.

6551957946 is an abundant number, since it is smaller than the sum of its proper divisors (6552798054).

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

6551957946 is a wasteful number, since it uses less digits than its factorization.

6551957946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70013.

The product of its digits is 10206000, while the sum is 57.

The square root of 6551957946 is about 80944.1656081524. The cubic root of 6551957946 is about 1871.2150439898.

The spelling of 6551957946 in words is "six billion, five hundred fifty-one million, nine hundred fifty-seven thousand, nine hundred forty-six".