82150331641 has 8 divisors (see below), whose sum is σ = 93895525760. Its totient is φ = 70407495648.

The previous prime is 82150331639. The next prime is 82150331671. The reversal of 82150331641 is 14613305128.

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

It is not a de Polignac number, because 82150331641 - 2¹ = 82150331639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82150331597 and 82150331606.

It is not an unprimeable number, because it can be changed into a prime (82150331611) 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, 514236 + ... + 654781.

It is an arithmetic number, because the mean of its divisors is an integer number (11736940720).

Almost surely, 2^82150331641 is an apocalyptic number.

It is an amenable number.

82150331641 is a deficient number, since it is larger than the sum of its proper divisors (11745194119).

82150331641 is a wasteful number, since it uses less digits than its factorization.

82150331641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179063.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 82150331641 its reverse (14613305128), we get a palindrome (96763636769).

The spelling of 82150331641 in words is "eighty-two billion, one hundred fifty million, three hundred thirty-one thousand, six hundred forty-one".