82663145606638 has 8 divisors (see below), whose sum is σ = 124028811002232. Its totient is φ = 41320208605896.

The previous prime is 82663145606633. The next prime is 82663145606681. The reversal of 82663145606638 is 83660654136628.

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

It is a self number, because there is not a number n which added to its sum of digits gives 82663145606638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82663145606633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5682089620 + ... + 5682104167.

It is an arithmetic number, because the mean of its divisors is an integer number (15503601375279).

Almost surely, 2^{82663145606638} is an apocalyptic number.

82663145606638 is a deficient number, since it is larger than the sum of its proper divisors (41365665395594).

82663145606638 is a wasteful number, since it uses less digits than its factorization.

82663145606638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11364197426.

The product of its (nonzero) digits is 179159040, while the sum is 64.

The spelling of 82663145606638 in words is "eighty-two trillion, six hundred sixty-three billion, one hundred forty-five million, six hundred six thousand, six hundred thirty-eight".