101816244 has 48 divisors (see below), whose sum is σ = 266716800. Its totient is φ = 33585408.

The previous prime is 101816237. The next prime is 101816251. The reversal of 101816244 is 442618101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101816237) and next prime (101816251).

It is a super-3 number, since 3×101816244³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5617 + ... + 15335.

It is an arithmetic number, because the mean of its divisors is an integer number (5556600).

Almost surely, 2^101816244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101816244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133358400).

101816244 is an abundant number, since it is smaller than the sum of its proper divisors (164900556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101816244 is a wasteful number, since it uses less digits than its factorization.

101816244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9829 (or 9821 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 101816244 is about 10090.4035598186. The cubic root of 101816244 is about 466.9521262560.

The spelling of 101816244 in words is "one hundred one million, eight hundred sixteen thousand, two hundred forty-four".