240166331740663 has 8 divisors (see below), whose sum is σ = 245276554014720. Its totient is φ = 235056121980120.

The previous prime is 240166331740651. The next prime is 240166331740667. The reversal of 240166331740663 is 366047133661042.

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

It is a cyclic number.

It is not a de Polignac number, because 240166331740663 - 2²¹ = 240166329643511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240166331740663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240166331740667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42746718 + ... + 48037636.

It is an arithmetic number, because the mean of its divisors is an integer number (30659569251840).

Almost surely, 2^{240166331740663} is an apocalyptic number.

240166331740663 is a deficient number, since it is larger than the sum of its proper divisors (5110222274057).

240166331740663 is an equidigital number, since it uses as much as digits as its factorization.

240166331740663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256757.

The product of its (nonzero) digits is 7838208, while the sum is 52.

The spelling of 240166331740663 in words is "two hundred forty trillion, one hundred sixty-six billion, three hundred thirty-one million, seven hundred forty thousand, six hundred sixty-three".