105881768 has 8 divisors (see below), whose sum is σ = 198528330. Its totient is φ = 52940880.

The previous prime is 105881767. The next prime is 105881773. The reversal of 105881768 is 867188501.

It can be written as a sum of positive squares in only one way, i.e., 104080804 + 1800964 = 10202^2 + 1342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105881768² = 22421897589611648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105881767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6617603 + ... + 6617618.

Almost surely, 2^105881768 is an apocalyptic number.

It is an amenable number.

105881768 is a deficient number, since it is larger than the sum of its proper divisors (92646562).

105881768 is a wasteful number, since it uses less digits than its factorization.

105881768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13235227 (or 13235223 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 44.

The square root of 105881768 is about 10289.8866854791. The cubic root of 105881768 is about 473.0863253086.

The spelling of 105881768 in words is "one hundred five million, eight hundred eighty-one thousand, seven hundred sixty-eight".