105626664142 has 4 divisors (see below), whose sum is σ = 158439996216. Its totient is φ = 52813332070.

The previous prime is 105626664119. The next prime is 105626664191. The reversal of 105626664142 is 241466626501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241466626501 = 19433 ⋅12425597.

It is a super-2 number, since 2×105626664142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26406666034 + ... + 26406666037.

It is an arithmetic number, because the mean of its divisors is an integer number (39609999054).

Almost surely, 2^105626664142 is an apocalyptic number.

105626664142 is a deficient number, since it is larger than the sum of its proper divisors (52813332074).

105626664142 is an equidigital number, since it uses as much as digits as its factorization.

105626664142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52813332073.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 105626664142 in words is "one hundred five billion, six hundred twenty-six million, six hundred sixty-four thousand, one hundred forty-two".