101663447 has 2 divisors, whose sum is σ = 101663448. Its totient is φ = 101663446.

The previous prime is 101663413. The next prime is 101663461. The reversal of 101663447 is 744366101.

It is a strong prime.

It is an emirp because it is prime and its reverse (744366101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101663447 - 2¹⁸ = 101401303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101663407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50831723 + 50831724.

It is an arithmetic number, because the mean of its divisors is an integer number (50831724).

Almost surely, 2^101663447 is an apocalyptic number.

101663447 is a deficient number, since it is larger than the sum of its proper divisors (1).

101663447 is an equidigital number, since it uses as much as digits as its factorization.

101663447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 101663447 is about 10082.8293152270. The cubic root of 101663447 is about 466.7184222077.

The spelling of 101663447 in words is "one hundred one million, six hundred sixty-three thousand, four hundred forty-seven".