6733403816 has 8 divisors (see below), whose sum is σ = 12625132170. Its totient is φ = 3366701904.

The previous prime is 6733403813. The next prime is 6733403839. The reversal of 6733403816 is 6183043376.

It can be written as a sum of positive squares in only one way, i.e., 5336886916 + 1396516900 = 73054^2 + 37370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6733403813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420837731 + ... + 420837746.

Almost surely, 2^6733403816 is an apocalyptic number.

It is an amenable number.

6733403816 is a deficient number, since it is larger than the sum of its proper divisors (5891728354).

6733403816 is a wasteful number, since it uses less digits than its factorization.

6733403816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841675483 (or 841675479 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 6733403816 is about 82057.3203072096. The cubic root of 6733403816 is about 1888.3314235819.

The spelling of 6733403816 in words is "six billion, seven hundred thirty-three million, four hundred three thousand, eight hundred sixteen".