8340611646854 has 4 divisors (see below), whose sum is σ = 12510917470284. Its totient is φ = 4170305823426.

The previous prime is 8340611646833. The next prime is 8340611646877. The reversal of 8340611646854 is 4586461160438.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8340611646854.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2085152911712 + ... + 2085152911715.

It is an arithmetic number, because the mean of its divisors is an integer number (3127729367571).

Almost surely, 2^{8340611646854} is an apocalyptic number.

8340611646854 is a deficient number, since it is larger than the sum of its proper divisors (4170305823430).

8340611646854 is a wasteful number, since it uses less digits than its factorization.

8340611646854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170305823429.

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 8340611646854 in words is "eight trillion, three hundred forty billion, six hundred eleven million, six hundred forty-six thousand, eight hundred fifty-four".