82416716764621 has 8 divisors (see below), whose sum is σ = 83460146403200. Its totient is φ = 81373291627680.

The previous prime is 82416716764589. The next prime is 82416716764643. The reversal of 82416716764621 is 12646761761428.

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

It is a cyclic number.

It is not a de Polignac number, because 82416716764621 - 2⁵ = 82416716764589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82416716764621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82416716764021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50781850 + ... + 52379668.

It is an arithmetic number, because the mean of its divisors is an integer number (10432518300400).

Almost surely, 2^{82416716764621} is an apocalyptic number.

It is an amenable number.

82416716764621 is a deficient number, since it is larger than the sum of its proper divisors (1043429638579).

82416716764621 is a wasteful number, since it uses less digits than its factorization.

82416716764621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250819.

The product of its digits is 32514048, while the sum is 61.

The spelling of 82416716764621 in words is "eighty-two trillion, four hundred sixteen billion, seven hundred sixteen million, seven hundred sixty-four thousand, six hundred twenty-one".