1683688672 has 24 divisors (see below), whose sum is σ = 3315787272. Its totient is φ = 841584000.

The previous prime is 1683688613. The next prime is 1683688697. The reversal of 1683688672 is 2768863861.

It is a super-2 number, since 2×1683688672² = 5669615088442247168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 136522 + ... + 148342.

It is an arithmetic number, because the mean of its divisors is an integer number (138157803).

Almost surely, 2^1683688672 is an apocalyptic number.

It is an amenable number.

1683688672 is a deficient number, since it is larger than the sum of its proper divisors (1632098600).

1683688672 is a wasteful number, since it uses less digits than its factorization.

1683688672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16282 (or 16274 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

The square root of 1683688672 is about 41032.7755824536. The cubic root of 1683688672 is about 1189.6538013239.

The spelling of 1683688672 in words is "one billion, six hundred eighty-three million, six hundred eighty-eight thousand, six hundred seventy-two".