106561668 has 24 divisors (see below), whose sum is σ = 259455168. Its totient is φ = 33976096.

The previous prime is 106561667. The next prime is 106561673. The reversal of 106561668 is 866165601.

It is a super-2 number, since 2×106561668² = 22710778173884448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (106561667) 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, 192771 + ... + 193322.

It is an arithmetic number, because the mean of its divisors is an integer number (10810632).

Almost surely, 2^106561668 is an apocalyptic number.

It is an amenable number.

106561668 is an abundant number, since it is smaller than the sum of its proper divisors (152893500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106561668 is a wasteful number, since it uses less digits than its factorization.

106561668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386123 (or 386121 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 106561668 is about 10322.8711122439. The cubic root of 106561668 is about 474.0967774051.

The spelling of 106561668 in words is "one hundred six million, five hundred sixty-one thousand, six hundred sixty-eight".