67000003400661 has 8 divisors (see below), whose sum is σ = 89334263479680. Its totient is φ = 44666206127712.

The previous prime is 67000003400657. The next prime is 67000003400663. The reversal of 67000003400661 is 16600430000076.

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

It is not a de Polignac number, because 67000003400661 - 2² = 67000003400657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67000003400663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115363581 + ... + 115942898.

It is an arithmetic number, because the mean of its divisors is an integer number (11166782934960).

Almost surely, 2^{67000003400661} is an apocalyptic number.

It is an amenable number.

67000003400661 is a deficient number, since it is larger than the sum of its proper divisors (22334260079019).

67000003400661 is a wasteful number, since it uses less digits than its factorization.

67000003400661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231403035.

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 67000003400661 in words is "sixty-seven trillion, three million, four hundred thousand, six hundred sixty-one".