100705216 has 28 divisors (see below), whose sum is σ = 200665080. Its totient is φ = 50144000.

The previous prime is 100705211. The next prime is 100705217. The reversal of 100705216 is 612507001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100705211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12930 + ... + 19198.

It is an arithmetic number, because the mean of its divisors is an integer number (7166610).

Almost surely, 2^100705216 is an apocalyptic number.

100705216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100705216 is a deficient number, since it is larger than the sum of its proper divisors (99959864).

100705216 is an equidigital number, since it uses as much as digits as its factorization.

100705216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6532 (or 6522 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 100705216 is about 10035.1988520408. The cubic root of 100705216 is about 465.2474360451.

The spelling of 100705216 in words is "one hundred million, seven hundred five thousand, two hundred sixteen".