67400070666 has 8 divisors (see below), whose sum is σ = 134800141344. Its totient is φ = 22466690220.

The previous prime is 67400070659. The next prime is 67400070667. The reversal of 67400070666 is 66607000476.

It is a sphenic number, since it is the product of 3 distinct primes.

67400070666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (67400070667) 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, 5616672550 + ... + 5616672561.

It is an arithmetic number, because the mean of its divisors is an integer number (16850017668).

Almost surely, 2^67400070666 is an apocalyptic number.

67400070666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67400070666 is a wasteful number, since it uses less digits than its factorization.

67400070666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11233345116.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 67400070666 in words is "sixty-seven billion, four hundred million, seventy thousand, six hundred sixty-six".