104663651 has 4 divisors (see below), whose sum is σ = 105589992. Its totient is φ = 103737312.

The previous prime is 104663641. The next prime is 104663659. The reversal of 104663651 is 156366401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156366401 = 1153 ⋅135617.

It is a cyclic number.

It is not a de Polignac number, because 104663651 - 2¹⁴ = 104647267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104663659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463001 + ... + 463226.

It is an arithmetic number, because the mean of its divisors is an integer number (26397498).

Almost surely, 2^104663651 is an apocalyptic number.

104663651 is a deficient number, since it is larger than the sum of its proper divisors (926341).

104663651 is an equidigital number, since it uses as much as digits as its factorization.

104663651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926340.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 104663651 is about 10230.5254508261. The cubic root of 104663651 is about 471.2651158062.

The spelling of 104663651 in words is "one hundred four million, six hundred sixty-three thousand, six hundred fifty-one".