1646082436 has 12 divisors (see below), whose sum is σ = 2907566928. Its totient is φ = 815349032.

The previous prime is 1646082407. The next prime is 1646082439. The reversal of 1646082436 is 6342806461.

It is a super-2 number, since 2×1646082436² = 5419174772215388192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1646082439) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1922566 + ... + 1923421.

It is an arithmetic number, because the mean of its divisors is an integer number (242297244).

Almost surely, 2^1646082436 is an apocalyptic number.

It is an amenable number.

1646082436 is a deficient number, since it is larger than the sum of its proper divisors (1261484492).

1646082436 is a wasteful number, since it uses less digits than its factorization.

1646082436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846098 (or 3846096 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 1646082436 is about 40571.9414866974. The cubic root of 1646082436 is about 1180.7298070818.

Adding to 1646082436 its reverse (6342806461), we get a palindrome (7988888897).

The spelling of 1646082436 in words is "one billion, six hundred forty-six million, eighty-two thousand, four hundred thirty-six".