2400066341666 has 8 divisors (see below), whose sum is σ = 4114399442880. Its totient is φ = 1028599860708.

The previous prime is 2400066341639. The next prime is 2400066341681. The reversal of 2400066341666 is 6661436600042.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85716655046 + ... + 85716655073.

It is an arithmetic number, because the mean of its divisors is an integer number (514299930360).

Almost surely, 2^{2400066341666} is an apocalyptic number.

2400066341666 is a deficient number, since it is larger than the sum of its proper divisors (1714333101214).

2400066341666 is a wasteful number, since it uses less digits than its factorization.

2400066341666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171433310128.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 2400066341666 in words is "two trillion, four hundred billion, sixty-six million, three hundred forty-one thousand, six hundred sixty-six".