667233126747 has 48 divisors (see below), whose sum is σ = 1054244786400. Its totient is φ = 403289902080.

The previous prime is 667233126743. The next prime is 667233126751. The reversal of 667233126747 is 747621332766.

667233126747 is a `hidden beast` number, since 6 + 6 + 7 + 2 + 331 + 267 + 47 = 666.

667233126747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (667233126743) and next prime (667233126751).

It is not a de Polignac number, because 667233126747 - 2² = 667233126743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 667233126693 and 667233126702.

It is not an unprimeable number, because it can be changed into a prime (667233126743) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81276579 + ... + 81284787.

It is an arithmetic number, because the mean of its divisors is an integer number (21963433050).

Almost surely, 2^667233126747 is an apocalyptic number.

667233126747 is a deficient number, since it is larger than the sum of its proper divisors (387011659653).

667233126747 is a wasteful number, since it uses less digits than its factorization.

667233126747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10348 (or 10345 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 54.

The spelling of 667233126747 in words is "six hundred sixty-seven billion, two hundred thirty-three million, one hundred twenty-six thousand, seven hundred forty-seven".