105166661062 has 4 divisors (see below), whose sum is σ = 157749991596. Its totient is φ = 52583330530.

The previous prime is 105166661027. The next prime is 105166661063. The reversal of 105166661062 is 260166661501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 260166661501 = 47 ⋅5535460883.

It is a super-2 number, since 2×105166661062² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105166661063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26291665264 + ... + 26291665267.

It is an arithmetic number, because the mean of its divisors is an integer number (39437497899).

Almost surely, 2^105166661062 is an apocalyptic number.

105166661062 is a deficient number, since it is larger than the sum of its proper divisors (52583330534).

105166661062 is an equidigital number, since it uses as much as digits as its factorization.

105166661062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52583330533.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 105166661062 in words is "one hundred five billion, one hundred sixty-six million, six hundred sixty-one thousand, sixty-two".