66337254678 has 8 divisors (see below), whose sum is σ = 132674509368. Its totient is φ = 22112418224.

The previous prime is 66337254677. The next prime is 66337254799. The reversal of 66337254678 is 87645273366.

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

66337254678 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66337254673) 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, 5528104551 + ... + 5528104562.

It is an arithmetic number, because the mean of its divisors is an integer number (16584313671).

Almost surely, 2^66337254678 is an apocalyptic number.

66337254678 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.

66337254678 is a wasteful number, since it uses less digits than its factorization.

66337254678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11056209118.

The product of its digits is 30481920, while the sum is 57.

The spelling of 66337254678 in words is "sixty-six billion, three hundred thirty-seven million, two hundred fifty-four thousand, six hundred seventy-eight".