82658016854 has 16 divisors (see below), whose sum is σ = 143075182848. Its totient is φ = 35080933032.

The previous prime is 82658016853. The next prime is 82658016863. The reversal of 82658016854 is 45861085628.

It is a super-2 number, since 2×82658016854² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 82658016796 and 82658016805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82658016851) 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, 28659452 + ... + 28662335.

It is an arithmetic number, because the mean of its divisors is an integer number (8942198928).

Almost surely, 2^82658016854 is an apocalyptic number.

82658016854 is a deficient number, since it is larger than the sum of its proper divisors (60417165994).

82658016854 is a wasteful number, since it uses less digits than its factorization.

82658016854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57321899.

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 82658016854 in words is "eighty-two billion, six hundred fifty-eight million, sixteen thousand, eight hundred fifty-four".