67550420964126 has 16 divisors (see below), whose sum is σ = 135151422582528. Its totient is φ = 22508376879000.

The previous prime is 67550420964097. The next prime is 67550420964151. The reversal of 67550420964126 is 62146902405576.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2107509900 + ... + 2107541951.

It is an arithmetic number, because the mean of its divisors is an integer number (8446963911408).

Almost surely, 2^{67550420964126} is an apocalyptic number.

67550420964126 is an abundant number, since it is smaller than the sum of its proper divisors (67601001618402).

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

67550420964126 is a wasteful number, since it uses less digits than its factorization.

67550420964126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215054527.

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 67550420964126 in words is "sixty-seven trillion, five hundred fifty billion, four hundred twenty million, nine hundred sixty-four thousand, one hundred twenty-six".