6766666416 has 60 divisors (see below), whose sum is σ = 18943347072. Its totient is φ = 2254831488.

The previous prime is 6766666393. The next prime is 6766666457. The reversal of 6766666416 is 6146666676.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 627825 + ... + 638511.

Almost surely, 2^6766666416 is an apocalyptic number.

It is an amenable number.

6766666416 is an abundant number, since it is smaller than the sum of its proper divisors (12176680656).

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

6766666416 is a wasteful number, since it uses less digits than its factorization.

6766666416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15098 (or 15089 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The square root of 6766666416 is about 82259.7496713915. The cubic root of 6766666416 is about 1891.4357311138.

The spelling of 6766666416 in words is "six billion, seven hundred sixty-six million, six hundred sixty-six thousand, four hundred sixteen".