667340733340 has 12 divisors (see below), whose sum is σ = 1401415540056. Its totient is φ = 266936293328.

The previous prime is 667340733337. The next prime is 667340733347. The reversal of 667340733340 is 43337043766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667340733347) 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, 16683518314 + ... + 16683518353.

It is an arithmetic number, because the mean of its divisors is an integer number (116784628338).

Almost surely, 2^667340733340 is an apocalyptic number.

It is an amenable number.

667340733340 is an abundant number, since it is smaller than the sum of its proper divisors (734074806716).

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

667340733340 is a wasteful number, since it uses less digits than its factorization.

667340733340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33367036676 (or 33367036674 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 46.

The spelling of 667340733340 in words is "six hundred sixty-seven billion, three hundred forty million, seven hundred thirty-three thousand, three hundred forty".