105478196866 has 16 divisors (see below), whose sum is σ = 180830854656. Its totient is φ = 45202169376.

The previous prime is 105478196851. The next prime is 105478196869. The reversal of 105478196866 is 668691874501.

It is a happy number.

It is a super-2 number, since 2×105478196866² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105478196869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14430 + ... + 459526.

It is an arithmetic number, because the mean of its divisors is an integer number (11301928416).

Almost surely, 2^105478196866 is an apocalyptic number.

105478196866 is a deficient number, since it is larger than the sum of its proper divisors (75352657790).

105478196866 is a wasteful number, since it uses less digits than its factorization.

105478196866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462033.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 105478196866 in words is "one hundred five billion, four hundred seventy-eight million, one hundred ninety-six thousand, eight hundred sixty-six".