5456467666 has 24 divisors (see below), whose sum is σ = 9107839692. Its totient is φ = 2437120800.

The previous prime is 5456467661. The next prime is 5456467703. The reversal of 5456467666 is 6667646545.

It can be written as a sum of positive squares in 2 ways, for example, as 5375089225 + 81378441 = 73315^2 + 9021^2 .

It is not an unprimeable number, because it can be changed into a prime (5456467661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84205 + ... + 134176.

Almost surely, 2^5456467666 is an apocalyptic number.

5456467666 is a deficient number, since it is larger than the sum of its proper divisors (3651372026).

5456467666 is a wasteful number, since it uses less digits than its factorization.

5456467666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218458 (or 218427 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 55.

The square root of 5456467666 is about 73867.9068743659. The cubic root of 5456467666 is about 1760.5047263256.

The spelling of 5456467666 in words is "five billion, four hundred fifty-six million, four hundred sixty-seven thousand, six hundred sixty-six".