101506663 has 2 divisors, whose sum is σ = 101506664. Its totient is φ = 101506662.

The previous prime is 101506649. The next prime is 101506667. The reversal of 101506663 is 366605101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101506663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101506667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50753331 + 50753332.

It is an arithmetic number, because the mean of its divisors is an integer number (50753332).

Almost surely, 2^101506663 is an apocalyptic number.

101506663 is a deficient number, since it is larger than the sum of its proper divisors (1).

101506663 is an equidigital number, since it uses as much as digits as its factorization.

101506663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 101506663 is about 10075.0515135159. The cubic root of 101506663 is about 466.4783764767.

The spelling of 101506663 in words is "one hundred one million, five hundred six thousand, six hundred sixty-three".