105657656123167 has 4 divisors (see below), whose sum is σ = 109301023575720. Its totient is φ = 102014288670616.

The previous prime is 105657656123119. The next prime is 105657656123207. The reversal of 105657656123167 is 761321656756501.

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

It is a cyclic number.

It is not a de Polignac number, because 105657656123167 - 2⁷ = 105657656123039 is a prime.

It is a super-2 number, since 2×105657656123167² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105657656133167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1821683726233 + ... + 1821683726290.

It is an arithmetic number, because the mean of its divisors is an integer number (27325255893930).

Almost surely, 2^{105657656123167} is an apocalyptic number.

105657656123167 is a deficient number, since it is larger than the sum of its proper divisors (3643367452553).

105657656123167 is an equidigital number, since it uses as much as digits as its factorization.

105657656123167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643367452552.

The product of its (nonzero) digits is 47628000, while the sum is 61.

The spelling of 105657656123167 in words is "one hundred five trillion, six hundred fifty-seven billion, six hundred fifty-six million, one hundred twenty-three thousand, one hundred sixty-seven".