66136640611342 has 8 divisors (see below), whose sum is σ = 113377098190896. Its totient is φ = 28344274547712.

The previous prime is 66136640611337. The next prime is 66136640611361. The reversal of 66136640611342 is 24311604663166.

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

It is a super-3 number, since 3×66136640611342³ (a number of 42 digits) contains 333 as substring.

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, 2362022878963 + ... + 2362022878990.

It is an arithmetic number, because the mean of its divisors is an integer number (14172137273862).

Almost surely, 2^{66136640611342} is an apocalyptic number.

66136640611342 is a deficient number, since it is larger than the sum of its proper divisors (47240457579554).

66136640611342 is a wasteful number, since it uses less digits than its factorization.

66136640611342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4724045757962.

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 66136640611342 in words is "sixty-six trillion, one hundred thirty-six billion, six hundred forty million, six hundred eleven thousand, three hundred forty-two".