82163000 has 32 divisors (see below), whose sum is σ = 192263760. Its totient is φ = 32864800.

The previous prime is 82162999. The next prime is 82163009. The reversal of 82163000 is 36128.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82163009) 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, 40082 + ... + 42081.

Almost surely, 2^82163000 is an apocalyptic number.

It is an amenable number.

82163000 is an abundant number, since it is smaller than the sum of its proper divisors (110100760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82163000 is a wasteful number, since it uses less digits than its factorization.

82163000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82184 (or 82170 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 82163000 is about 9064.3808393072. The cubic root of 82163000 is about 434.7358240964.

Adding to 82163000 its reverse (36128), we get a palindrome (82199128).

The spelling of 82163000 in words is "eighty-two million, one hundred sixty-three thousand".