100404654665 has 12 divisors (see below), whose sum is σ = 140156701956. Its totient is φ = 68848905888.

The previous prime is 100404654653. The next prime is 100404654673. The reversal of 100404654665 is 566456404001.

It can be written as a sum of positive squares in 2 ways, for example, as 32636590336 + 67768064329 = 180656^2 + 260323^2 .

It is not a de Polignac number, because 100404654665 - 2¹⁰ = 100404653641 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 204907214 + ... + 204907703.

It is an arithmetic number, because the mean of its divisors is an integer number (11679725163).

Almost surely, 2^100404654665 is an apocalyptic number.

It is an amenable number.

100404654665 is a deficient number, since it is larger than the sum of its proper divisors (39752047291).

100404654665 is an equidigital number, since it uses as much as digits as its factorization.

100404654665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409814936 (or 409814929 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 100404654665 in words is "one hundred billion, four hundred four million, six hundred fifty-four thousand, six hundred sixty-five".