82641612622 has 4 divisors (see below), whose sum is σ = 123962418936. Its totient is φ = 41320806310.

The previous prime is 82641612619. The next prime is 82641612623. The reversal of 82641612622 is 22621614628.

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

It is a super-2 number, since 2×82641612622² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82641612623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20660403154 + ... + 20660403157.

It is an arithmetic number, because the mean of its divisors is an integer number (30990604734).

Almost surely, 2^82641612622 is an apocalyptic number.

82641612622 is a deficient number, since it is larger than the sum of its proper divisors (41320806314).

82641612622 is a wasteful number, since it uses less digits than its factorization.

82641612622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41320806313.

The product of its digits is 110592, while the sum is 40.

The spelling of 82641612622 in words is "eighty-two billion, six hundred forty-one million, six hundred twelve thousand, six hundred twenty-two".