106215316 has 12 divisors (see below), whose sum is σ = 186182388. Its totient is φ = 53020352.

The previous prime is 106215299. The next prime is 106215341. The reversal of 106215316 is 613512601.

It can be written as a sum of positive squares in 2 ways, for example, as 1971216 + 104244100 = 1404^2 + 10210^2 .

It is a super-2 number, since 2×106215316² = 22563386705959712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19051 + ... + 23986.

It is an arithmetic number, because the mean of its divisors is an integer number (15515199).

Almost surely, 2^106215316 is an apocalyptic number.

It is an amenable number.

106215316 is a deficient number, since it is larger than the sum of its proper divisors (79967072).

106215316 is a wasteful number, since it uses less digits than its factorization.

106215316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43658 (or 43656 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 106215316 is about 10306.0815055966. The cubic root of 106215316 is about 473.5825756483.

Adding to 106215316 its reverse (613512601), we get a palindrome (719727917).

The spelling of 106215316 in words is "one hundred six million, two hundred fifteen thousand, three hundred sixteen".