1865683696 has 20 divisors (see below), whose sum is σ = 3616838200. Its totient is φ = 932306112.

The previous prime is 1865683669. The next prime is 1865683723. The reversal of 1865683696 is 6963865681.

It is an interprime number because it is at equal distance from previous prime (1865683669) and next prime (1865683723).

It is a self number, because there is not a number n which added to its sum of digits gives 1865683696.

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, 3966 + ... + 61213.

It is an arithmetic number, because the mean of its divisors is an integer number (180841910).

Almost surely, 2^1865683696 is an apocalyptic number.

1865683696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1865683696 is a deficient number, since it is larger than the sum of its proper divisors (1751154504).

1865683696 is a wasteful number, since it uses less digits than its factorization.

1865683696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66976 (or 66970 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 58.

The square root of 1865683696 is about 43193.5608163995. The cubic root of 1865683696 is about 1231.0603358002.

The spelling of 1865683696 in words is "one billion, eight hundred sixty-five million, six hundred eighty-three thousand, six hundred ninety-six".