103866976657 has 4 divisors (see below), whose sum is σ = 103867986100. Its totient is φ = 103865967216.

The previous prime is 103866976621. The next prime is 103866976667. The reversal of 103866976657 is 756679668301.

It is a Cunningham number, because it is equal to 322284²+1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2176782336 + 101690194321 = 46656^2 + 318889^2 .

It is a cyclic number.

It is not a de Polignac number, because 103866976657 - 2⁷ = 103866976529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103866976667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 330282 + ... + 562867.

It is an arithmetic number, because the mean of its divisors is an integer number (25966996525).

Almost surely, 2^103866976657 is an apocalyptic number.

It is an amenable number.

103866976657 is a deficient number, since it is larger than the sum of its proper divisors (1009443).

103866976657 is an equidigital number, since it uses as much as digits as its factorization.

103866976657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009442.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 103866976657 in words is "one hundred three billion, eight hundred sixty-six million, nine hundred seventy-six thousand, six hundred fifty-seven".