82345661641850 has 48 divisors (see below), whose sum is σ = 154589158803456. Its totient is φ = 32632288920000.

The previous prime is 82345661641829. The next prime is 82345661641927. The reversal of 82345661641850 is 5814616654328.

It is a self number, because there is not a number n which added to its sum of digits gives 82345661641850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4798166 + ... + 13700865.

It is an arithmetic number, because the mean of its divisors is an integer number (3220607475072).

Almost surely, 2^{82345661641850} is an apocalyptic number.

82345661641850 is a deficient number, since it is larger than the sum of its proper divisors (72243497161606).

82345661641850 is a wasteful number, since it uses less digits than its factorization.

82345661641850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18499871 (or 18499866 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 59.

The spelling of 82345661641850 in words is "eighty-two trillion, three hundred forty-five billion, six hundred sixty-one million, six hundred forty-one thousand, eight hundred fifty".