106649465 has 8 divisors (see below), whose sum is σ = 137824008. Its totient is φ = 78756480.

The previous prime is 106649441. The next prime is 106649467. The reversal of 106649465 is 564946601.

It can be written as a sum of positive squares in 4 ways, for example, as 724201 + 105925264 = 851^2 + 10292^2 .

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

It is not a de Polignac number, because 106649465 - 2⁶ = 106649401 is a prime.

It is a super-2 number, since 2×106649465² = 22748216769572450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106649467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820316 + ... + 820445.

It is an arithmetic number, because the mean of its divisors is an integer number (17228001).

Almost surely, 2^106649465 is an apocalyptic number.

It is an amenable number.

106649465 is a deficient number, since it is larger than the sum of its proper divisors (31174543).

106649465 is a wasteful number, since it uses less digits than its factorization.

106649465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640779.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 106649465 is about 10327.1227842028. The cubic root of 106649465 is about 474.2269456894.

The spelling of 106649465 in words is "one hundred six million, six hundred forty-nine thousand, four hundred sixty-five".