82211164 has 48 divisors (see below), whose sum is σ = 168878080. Its totient is φ = 34292160.

The previous prime is 82211159. The next prime is 82211183. The reversal of 82211164 is 46111228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216727 + ... + 217105.

Almost surely, 2^82211164 is an apocalyptic number.

It is an amenable number.

82211164 is an abundant number, since it is smaller than the sum of its proper divisors (86666916).

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

82211164 is a wasteful number, since it uses less digits than its factorization.

82211164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 576 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 82211164 is about 9067.0372228198. The cubic root of 82211164 is about 434.8207549702.

The spelling of 82211164 in words is "eighty-two million, two hundred eleven thousand, one hundred sixty-four".