105426663552766 has 4 divisors (see below), whose sum is σ = 158139995329152. Its totient is φ = 52713331776382.

The previous prime is 105426663552757. The next prime is 105426663552773. The reversal of 105426663552766 is 667255366624501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×105426663552766² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105426663552698 and 105426663552707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26356665888190 + ... + 26356665888193.

It is an arithmetic number, because the mean of its divisors is an integer number (39534998832288).

Almost surely, 2^{105426663552766} is an apocalyptic number.

105426663552766 is a deficient number, since it is larger than the sum of its proper divisors (52713331776386).

105426663552766 is an equidigital number, since it uses as much as digits as its factorization.

105426663552766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52713331776385.

The product of its (nonzero) digits is 326592000, while the sum is 64.

The spelling of 105426663552766 in words is "one hundred five trillion, four hundred twenty-six billion, six hundred sixty-three million, five hundred fifty-two thousand, seven hundred sixty-six".