1680500338 has 16 divisors (see below), whose sum is σ = 2751465024. Its totient is φ = 763431760.

The previous prime is 1680500281. The next prime is 1680500347. The reversal of 1680500338 is 8330050861.

It is a happy number.

It is a super-2 number, since 2×1680500338² = 5648162772036228488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19956 + ... + 61312.

It is an arithmetic number, because the mean of its divisors is an integer number (171966564).

Almost surely, 2^1680500338 is an apocalyptic number.

1680500338 is a deficient number, since it is larger than the sum of its proper divisors (1070964686).

1680500338 is a wasteful number, since it uses less digits than its factorization.

1680500338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43217.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1680500338 is about 40993.9061081034. The cubic root of 1680500338 is about 1188.9023935223.

The spelling of 1680500338 in words is "one billion, six hundred eighty million, five hundred thousand, three hundred thirty-eight".