105680154686 has 4 divisors (see below), whose sum is σ = 158520232032. Its totient is φ = 52840077342.

The previous prime is 105680154661. The next prime is 105680154703. The reversal of 105680154686 is 686451086501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 686451086501 = 509 ⋅1348626889.

It is a super-2 number, since 2×105680154686² (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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26420038670 + ... + 26420038673.

It is an arithmetic number, because the mean of its divisors is an integer number (39630058008).

Almost surely, 2^105680154686 is an apocalyptic number.

105680154686 is a deficient number, since it is larger than the sum of its proper divisors (52840077346).

105680154686 is an equidigital number, since it uses as much as digits as its factorization.

105680154686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52840077345.

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 105680154686 in words is "one hundred five billion, six hundred eighty million, one hundred fifty-four thousand, six hundred eighty-six".