66420071373342 has 8 divisors (see below), whose sum is σ = 132840142746696. Its totient is φ = 22140023791112.

The previous prime is 66420071373329. The next prime is 66420071373347. The reversal of 66420071373342 is 24337317002466.

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

66420071373342 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 66420071373291 and 66420071373300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66420071373347) 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, 5535005947773 + ... + 5535005947784.

It is an arithmetic number, because the mean of its divisors is an integer number (16605017843337).

Almost surely, 2^{66420071373342} is an apocalyptic number.

66420071373342 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.

66420071373342 is a wasteful number, since it uses less digits than its factorization.

66420071373342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11070011895562.

The product of its (nonzero) digits is 3048192, while the sum is 48.

The spelling of 66420071373342 in words is "sixty-six trillion, four hundred twenty billion, seventy-one million, three hundred seventy-three thousand, three hundred forty-two".