82143516 has 48 divisors (see below), whose sum is σ = 235902464. Its totient is φ = 21663936.

The previous prime is 82143493. The next prime is 82143527. The reversal of 82143516 is 61534128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36520 + ... + 38703.

Almost surely, 2^82143516 is an apocalyptic number.

It is an amenable number.

82143516 is an abundant number, since it is smaller than the sum of its proper divisors (153758948).

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

82143516 is a wasteful number, since it uses less digits than its factorization.

82143516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75250 (or 75248 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 82143516 is about 9063.3060193287. The cubic root of 82143516 is about 434.7014571979.

The spelling of 82143516 in words is "eighty-two million, one hundred forty-three thousand, five hundred sixteen".