667407107740 has 48 divisors (see below), whose sum is σ = 1482053416704. Its totient is φ = 252049881600.

The previous prime is 667407107737. The next prime is 667407107789. The reversal of 667407107740 is 47701704766.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13102179 + ... + 13153018.

It is an arithmetic number, because the mean of its divisors is an integer number (30876112848).

Almost surely, 2^667407107740 is an apocalyptic number.

It is an amenable number.

667407107740 is an abundant number, since it is smaller than the sum of its proper divisors (814646308964).

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

667407107740 is a wasteful number, since it uses less digits than its factorization.

667407107740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26255278 (or 26255276 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 49.

The spelling of 667407107740 in words is "six hundred sixty-seven billion, four hundred seven million, one hundred seven thousand, seven hundred forty".