1982165824 has 14 divisors (see below), whose sum is σ = 3933360434. Its totient is φ = 991082880.

The previous prime is 1982165821. The next prime is 1982165839. The reversal of 1982165824 is 4285612891.

It can be written as a sum of positive squares in only one way, i.e., 1982030400 + 135424 = 44520^2 + 368^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982165821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15485607 + ... + 15485734.

Almost surely, 2^1982165824 is an apocalyptic number.

It is an amenable number.

1982165824 is a deficient number, since it is larger than the sum of its proper divisors (1951194610).

1982165824 is an equidigital number, since it uses as much as digits as its factorization.

1982165824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30971353 (or 30971343 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 1982165824 is about 44521.5209084326. The cubic root of 1982165824 is about 1256.1649208027.

The spelling of 1982165824 in words is "one billion, nine hundred eighty-two million, one hundred sixty-five thousand, eight hundred twenty-four".