1982373161 has 8 divisors (see below), whose sum is σ = 2036532480. Its totient is φ = 1928244528.

The previous prime is 1982373139. The next prime is 1982373163. The reversal of 1982373161 is 1613732891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1982373161 - 2¹⁰ = 1982372137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1982373163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195560 + ... + 205446.

It is an arithmetic number, because the mean of its divisors is an integer number (254566560).

Almost surely, 2^1982373161 is an apocalyptic number.

It is an amenable number.

1982373161 is a deficient number, since it is larger than the sum of its proper divisors (54159319).

1982373161 is an equidigital number, since it uses as much as digits as its factorization.

1982373161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15343.

The product of its digits is 54432, while the sum is 41.

The square root of 1982373161 is about 44523.8493506570. The cubic root of 1982373161 is about 1256.2087180778.

The spelling of 1982373161 in words is "one billion, nine hundred eighty-two million, three hundred seventy-three thousand, one hundred sixty-one".