104661653 has 4 divisors (see below), whose sum is σ = 104684928. Its totient is φ = 104638380.

The previous prime is 104661647. The next prime is 104661659. The reversal of 104661653 is 356166401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (104661647) and next prime (104661659).

It is a cyclic number.

It is not a de Polignac number, because 104661653 - 2⁴ = 104661637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104661659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2501 + ... + 14682.

It is an arithmetic number, because the mean of its divisors is an integer number (26171232).

Almost surely, 2^104661653 is an apocalyptic number.

It is an amenable number.

104661653 is a deficient number, since it is larger than the sum of its proper divisors (23275).

104661653 is an equidigital number, since it uses as much as digits as its factorization.

104661653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23274.

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

The square root of 104661653 is about 10230.4278014167. The cubic root of 104661653 is about 471.2621170138.

The spelling of 104661653 in words is "one hundred four million, six hundred sixty-one thousand, six hundred fifty-three".