100216765 has 8 divisors (see below), whose sum is σ = 131192928. Its totient is φ = 72884880.

The previous prime is 100216741. The next prime is 100216777. The reversal of 100216765 is 567612001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100216765 - 2⁹ = 100216253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911007 + ... + 911116.

It is an arithmetic number, because the mean of its divisors is an integer number (16399116).

Almost surely, 2^100216765 is an apocalyptic number.

It is an amenable number.

100216765 is a deficient number, since it is larger than the sum of its proper divisors (30976163).

100216765 is a wasteful number, since it uses less digits than its factorization.

100216765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822139.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 100216765 is about 10010.8323829740. The cubic root of 100216765 is about 464.4940193265.

Adding to 100216765 its reverse (567612001), we get a palindrome (667828766).

The spelling of 100216765 in words is "one hundred million, two hundred sixteen thousand, seven hundred sixty-five".