1682371918 has 8 divisors (see below), whose sum is σ = 2672002512. Its totient is φ = 791704416.

The previous prime is 1682371883. The next prime is 1682371931. The reversal of 1682371918 is 8191732861.

It is a happy number.

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

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, 24740730 + ... + 24740797.

It is an arithmetic number, because the mean of its divisors is an integer number (334000314).

Almost surely, 2^1682371918 is an apocalyptic number.

1682371918 is a deficient number, since it is larger than the sum of its proper divisors (989630594).

1682371918 is a wasteful number, since it uses less digits than its factorization.

1682371918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49481546.

The product of its digits is 145152, while the sum is 46.

The square root of 1682371918 is about 41016.7272950927. The cubic root of 1682371918 is about 1189.3435915707.

The spelling of 1682371918 in words is "one billion, six hundred eighty-two million, three hundred seventy-one thousand, nine hundred eighteen".