1680180962 has 4 divisors (see below), whose sum is σ = 2520271446. Its totient is φ = 840090480.

The previous prime is 1680180961. The next prime is 1680180967. The reversal of 1680180962 is 2690810861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 847916161 + 832264801 = 29119^2 + 28849^2 .

It is not an unprimeable number, because it can be changed into a prime (1680180961) 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 as a sum of consecutive naturals, namely, 420045239 + ... + 420045242.

Almost surely, 2^1680180962 is an apocalyptic number.

1680180962 is a deficient number, since it is larger than the sum of its proper divisors (840090484).

1680180962 is an equidigital number, since it uses as much as digits as its factorization.

1680180962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840090483.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 1680180962 is about 40990.0105147583. The cubic root of 1680180962 is about 1188.8270725124.

The spelling of 1680180962 in words is "one billion, six hundred eighty million, one hundred eighty thousand, nine hundred sixty-two".