101404663 has 4 divisors (see below), whose sum is σ = 101751048. Its totient is φ = 101058280.

The previous prime is 101404651. The next prime is 101404687. The reversal of 101404663 is 366404101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101404663 - 2²⁵ = 67850231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101404613) 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, 172753 + ... + 173338.

It is an arithmetic number, because the mean of its divisors is an integer number (25437762).

Almost surely, 2^101404663 is an apocalyptic number.

101404663 is a deficient number, since it is larger than the sum of its proper divisors (346385).

101404663 is an equidigital number, since it uses as much as digits as its factorization.

101404663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346384.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 101404663 is about 10069.9882323665. The cubic root of 101404663 is about 466.3220756020.

Adding to 101404663 its reverse (366404101), we get a palindrome (467808764).

The spelling of 101404663 in words is "one hundred one million, four hundred four thousand, six hundred sixty-three".