66412631342 has 8 divisors (see below), whose sum is σ = 100287531000. Its totient is φ = 32983454344.

The previous prime is 66412631339. The next prime is 66412631423. The reversal of 66412631342 is 24313621466.

66412631342 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 a junction number, because it is equal to n+sod(n) for n = 66412631296 and 66412631305.

It is a congruent number.

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, 111430292 + ... + 111430887.

It is an arithmetic number, because the mean of its divisors is an integer number (12535941375).

Almost surely, 2^66412631342 is an apocalyptic number.

66412631342 is a deficient number, since it is larger than the sum of its proper divisors (33874899658).

66412631342 is a wasteful number, since it uses less digits than its factorization.

66412631342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222861330.

The product of its digits is 124416, while the sum is 38.

The spelling of 66412631342 in words is "sixty-six billion, four hundred twelve million, six hundred thirty-one thousand, three hundred forty-two".