105661030826 has 32 divisors (see below), whose sum is σ = 179283863808. Its totient is φ = 46337385600.

The previous prime is 105661030823. The next prime is 105661030831. The reversal of 105661030826 is 628030166501.

105661030826 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105661030826² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 105661030826.

It is not an unprimeable number, because it can be changed into a prime (105661030823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494771 + ... + 675366.

It is an arithmetic number, because the mean of its divisors is an integer number (5602620744).

Almost surely, 2^105661030826 is an apocalyptic number.

105661030826 is a deficient number, since it is larger than the sum of its proper divisors (73622832982).

105661030826 is a wasteful number, since it uses less digits than its factorization.

105661030826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170326.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 105661030826 in words is "one hundred five billion, six hundred sixty-one million, thirty thousand, eight hundred twenty-six".