667233126744 has 16 divisors (see below), whose sum is σ = 1668082816920. Its totient is φ = 222411042240.

The previous prime is 667233126743. The next prime is 667233126751. The reversal of 667233126744 is 447621332766.

It is a super-3 number, since 3×667233126744³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 13900690117 + ... + 13900690164.

Almost surely, 2^667233126744 is an apocalyptic number.

It is an amenable number.

667233126744 is an abundant number, since it is smaller than the sum of its proper divisors (1000849690176).

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

667233126744 is a wasteful number, since it uses less digits than its factorization.

667233126744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27801380290 (or 27801380286 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 51.

The spelling of 667233126744 in words is "six hundred sixty-seven billion, two hundred thirty-three million, one hundred twenty-six thousand, seven hundred forty-four".