66336345231366 has 16 divisors (see below), whose sum is σ = 151625931957504. Its totient is φ = 18953241494664.

The previous prime is 66336345231353. The next prime is 66336345231437. The reversal of 66336345231366 is 66313254363366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789718395570 + ... + 789718395653.

It is an arithmetic number, because the mean of its divisors is an integer number (9476620747344).

Almost surely, 2^{66336345231366} is an apocalyptic number.

66336345231366 is an abundant number, since it is smaller than the sum of its proper divisors (85289586726138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66336345231366 is a wasteful number, since it uses less digits than its factorization.

66336345231366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579436791235.

The product of its digits is 75582720, while the sum is 57.

The spelling of 66336345231366 in words is "sixty-six trillion, three hundred thirty-six billion, three hundred forty-five million, two hundred thirty-one thousand, three hundred sixty-six".