106215663 has 8 divisors (see below), whose sum is σ = 142214400. Its totient is φ = 70513688.

The previous prime is 106215647. The next prime is 106215671. The reversal of 106215663 is 366512601.

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

It is a cyclic number.

It is not a de Polignac number, because 106215663 - 2⁴ = 106215647 is a prime.

It is a super-2 number, since 2×106215663² = 22563534133059138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106215663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106215463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73353 + ... + 74786.

It is an arithmetic number, because the mean of its divisors is an integer number (17776800).

Almost surely, 2^106215663 is an apocalyptic number.

106215663 is a deficient number, since it is larger than the sum of its proper divisors (35998737).

106215663 is a wasteful number, since it uses less digits than its factorization.

106215663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148381.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 106215663 is about 10306.0983403032. The cubic root of 106215663 is about 473.5830913711.

The spelling of 106215663 in words is "one hundred six million, two hundred fifteen thousand, six hundred sixty-three".