103686566840 has 32 divisors (see below), whose sum is σ = 233726052960. Its totient is φ = 41397955200.

The previous prime is 103686566839. The next prime is 103686566873. The reversal of 103686566840 is 48665686301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374076 + ... + 2417355.

It is an arithmetic number, because the mean of its divisors is an integer number (7303939155).

Almost surely, 2^103686566840 is an apocalyptic number.

103686566840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103686566840 is an abundant number, since it is smaller than the sum of its proper divisors (130039486120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103686566840 is a wasteful number, since it uses less digits than its factorization.

103686566840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791983 (or 4791979 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 103686566840 in words is "one hundred three billion, six hundred eighty-six million, five hundred sixty-six thousand, eight hundred forty".