66456141442 has 8 divisors (see below), whose sum is σ = 104018308416. Its totient is φ = 31783371972.

The previous prime is 66456141431. The next prime is 66456141467. The reversal of 66456141442 is 24414165466.

It is a happy number.

66456141442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722349318 + ... + 722349409.

It is an arithmetic number, because the mean of its divisors is an integer number (13002288552).

Almost surely, 2^66456141442 is an apocalyptic number.

66456141442 is a deficient number, since it is larger than the sum of its proper divisors (37562166974).

66456141442 is a wasteful number, since it uses less digits than its factorization.

66456141442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444698752.

The product of its digits is 552960, while the sum is 43.

The spelling of 66456141442 in words is "sixty-six billion, four hundred fifty-six million, one hundred forty-one thousand, four hundred forty-two".