101366643 has 24 divisors (see below), whose sum is σ = 161479632. Its totient is φ = 56355264.

The previous prime is 101366641. The next prime is 101366647. The reversal of 101366643 is 346663101.

It is not a de Polignac number, because 101366643 - 2¹ = 101366641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101366643.

It is not an unprimeable number, because it can be changed into a prime (101366641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3880 + ... + 14757.

It is an arithmetic number, because the mean of its divisors is an integer number (6728318).

Almost surely, 2^101366643 is an apocalyptic number.

101366643 is a deficient number, since it is larger than the sum of its proper divisors (60112989).

101366643 is a wasteful number, since it uses less digits than its factorization.

101366643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18691 (or 18684 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 101366643 is about 10068.1002676771. The cubic root of 101366643 is about 466.2637884021.

The spelling of 101366643 in words is "one hundred one million, three hundred sixty-six thousand, six hundred forty-three".