106781648 has 20 divisors (see below), whose sum is σ = 207070080. Its totient is φ = 53344224.

The previous prime is 106781627. The next prime is 106781651. The reversal of 106781648 is 846187601.

It is a super-2 number, since 2×106781648² = 22804640699191808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 22943 + ... + 27201.

It is an arithmetic number, because the mean of its divisors is an integer number (10353504).

Almost surely, 2^106781648 is an apocalyptic number.

It is an amenable number.

106781648 is a deficient number, since it is larger than the sum of its proper divisors (100288432).

106781648 is a wasteful number, since it uses less digits than its factorization.

106781648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834 (or 5828 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 106781648 is about 10333.5206004537. The cubic root of 106781648 is about 474.4227862114.

The spelling of 106781648 in words is "one hundred six million, seven hundred eighty-one thousand, six hundred forty-eight".