106318649 has 16 divisors (see below), whose sum is σ = 112285440. Its totient is φ = 100558080.

The previous prime is 106318643. The next prime is 106318651. The reversal of 106318649 is 946813601.

It is a cyclic number.

It is not a de Polignac number, because 106318649 - 2¹² = 106314553 is a prime.

It is a super-2 number, since 2×106318649² = 22607310250370402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106318643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246464 + ... + 246894.

It is an arithmetic number, because the mean of its divisors is an integer number (7017840).

Almost surely, 2^106318649 is an apocalyptic number.

It is an amenable number.

106318649 is a deficient number, since it is larger than the sum of its proper divisors (5966791).

106318649 is a wasteful number, since it uses less digits than its factorization.

106318649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 106318649 is about 10311.0934919629. The cubic root of 106318649 is about 473.7361029333.

The spelling of 106318649 in words is "one hundred six million, three hundred eighteen thousand, six hundred forty-nine".