106216749 has 6 divisors (see below), whose sum is σ = 153424206. Its totient is φ = 70811160.

The previous prime is 106216739. The next prime is 106216769. The reversal of 106216749 is 947612601.

It can be written as a sum of positive squares in only one way, i.e., 91814724 + 14402025 = 9582^2 + 3795^2 .

It is not a de Polignac number, because 106216749 - 2¹¹ = 106214701 is a prime.

It is a super-2 number, since 2×106216749² = 22563995536258002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106216739) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5900922 + ... + 5900939.

It is an arithmetic number, because the mean of its divisors is an integer number (25570701).

Almost surely, 2^106216749 is an apocalyptic number.

It is an amenable number.

106216749 is a deficient number, since it is larger than the sum of its proper divisors (47207457).

106216749 is a wasteful number, since it uses less digits than its factorization.

106216749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11801867 (or 11801864 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 106216749 is about 10306.1510274205. The cubic root of 106216749 is about 473.5847054126.

The spelling of 106216749 in words is "one hundred six million, two hundred sixteen thousand, seven hundred forty-nine".