82554161549 has 4 divisors (see below), whose sum is σ = 86899117440. Its totient is φ = 78209205660.

The previous prime is 82554161519. The next prime is 82554161551. The reversal of 82554161549 is 94516145528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82554161549 - 2³² = 78259194253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82554161497 and 82554161506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82554161519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2172477917 + ... + 2172477954.

It is an arithmetic number, because the mean of its divisors is an integer number (21724779360).

Almost surely, 2^82554161549 is an apocalyptic number.

It is an amenable number.

82554161549 is a deficient number, since it is larger than the sum of its proper divisors (4344955891).

82554161549 is a wasteful number, since it uses less digits than its factorization.

82554161549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344955890.

The product of its digits is 1728000, while the sum is 50.

The spelling of 82554161549 in words is "eighty-two billion, five hundred fifty-four million, one hundred sixty-one thousand, five hundred forty-nine".