1982190416 has 20 divisors (see below), whose sum is σ = 4007472672. Its totient is φ = 948003936.

The previous prime is 1982190403. The next prime is 1982190421. The reversal of 1982190416 is 6140912891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692826 + ... + 2693561.

Almost surely, 2^1982190416 is an apocalyptic number.

1982190416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1982190416 is an abundant number, since it is smaller than the sum of its proper divisors (2025282256).

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

1982190416 is a wasteful number, since it uses less digits than its factorization.

1982190416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386418 (or 5386412 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 1982190416 is about 44521.7970886172. The cubic root of 1982190416 is about 1256.1701157061.

The spelling of 1982190416 in words is "one billion, nine hundred eighty-two million, one hundred ninety thousand, four hundred sixteen".