83102081621366 has 4 divisors (see below), whose sum is σ = 124653122432052. Its totient is φ = 41551040810682.

The previous prime is 83102081621341. The next prime is 83102081621411. The reversal of 83102081621366 is 66312618020138.

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

It is a super-2 number, since 2×83102081621366² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83102081621366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20775520405340 + ... + 20775520405343.

It is an arithmetic number, because the mean of its divisors is an integer number (31163280608013).

Almost surely, 2^{83102081621366} is an apocalyptic number.

83102081621366 is a deficient number, since it is larger than the sum of its proper divisors (41551040810686).

83102081621366 is a wasteful number, since it uses less digits than its factorization.

83102081621366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41551040810685.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 83102081621366 in words is "eighty-three trillion, one hundred two billion, eighty-one million, six hundred twenty-one thousand, three hundred sixty-six".