1682076643 has 4 divisors (see below), whose sum is σ = 1811467168. Its totient is φ = 1552686120.

The previous prime is 1682076569. The next prime is 1682076653. The reversal of 1682076643 is 3466702861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3466702861 = 11719 ⋅295819.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1682076643 is a prime.

It is a super-2 number, since 2×1682076643² = 5658763665852298898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1682076643.

It is not an unprimeable number, because it can be changed into a prime (1682076653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64695243 + ... + 64695268.

It is an arithmetic number, because the mean of its divisors is an integer number (452866792).

Almost surely, 2^1682076643 is an apocalyptic number.

1682076643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1682076643 is a deficient number, since it is larger than the sum of its proper divisors (129390525).

1682076643 is a wasteful number, since it uses less digits than its factorization.

1682076643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129390524.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 1682076643 is about 41013.1276910211. The cubic root of 1682076643 is about 1189.2740064861.

The spelling of 1682076643 in words is "one billion, six hundred eighty-two million, seventy-six thousand, six hundred forty-three".