82163011 has 8 divisors (see below), whose sum is σ = 98842880. Its totient is φ = 66718728.

The previous prime is 82163009. The next prime is 82163027. The reversal of 82163011 is 11036128.

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

It is not a de Polignac number, because 82163011 - 2¹ = 82163009 is a prime.

It is a super-2 number, since 2×82163011² = 13501520753172242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82163071) 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, 308751 + ... + 309016.

It is an arithmetic number, because the mean of its divisors is an integer number (12355360).

Almost surely, 2^82163011 is an apocalyptic number.

82163011 is a deficient number, since it is larger than the sum of its proper divisors (16679869).

82163011 is a wasteful number, since it uses less digits than its factorization.

82163011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617793.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 82163011 is about 9064.3814460778. The cubic root of 82163011 is about 434.7358434972.

Adding to 82163011 its reverse (11036128), we get a palindrome (93199139).

The spelling of 82163011 in words is "eighty-two million, one hundred sixty-three thousand, eleven".