105020478167 has 4 divisors (see below), whose sum is σ = 114567794376. Its totient is φ = 95473161960.

The previous prime is 105020478127. The next prime is 105020478223. The reversal of 105020478167 is 761874020501.

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

It is not a de Polignac number, because 105020478167 - 2⁶ = 105020478103 is a prime.

It is a super-2 number, since 2×105020478167² (a number of 23 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 (105020478127) 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, 4773658088 + ... + 4773658109.

It is an arithmetic number, because the mean of its divisors is an integer number (28641948594).

Almost surely, 2^105020478167 is an apocalyptic number.

105020478167 is a deficient number, since it is larger than the sum of its proper divisors (9547316209).

105020478167 is an equidigital number, since it uses as much as digits as its factorization.

105020478167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9547316208.

The product of its (nonzero) digits is 94080, while the sum is 41.

Adding to 105020478167 its reverse (761874020501), we get a palindrome (866894498668).

The spelling of 105020478167 in words is "one hundred five billion, twenty million, four hundred seventy-eight thousand, one hundred sixty-seven".