105054164381 has 4 divisors (see below), whose sum is σ = 105072623292. Its totient is φ = 105035705472.

The previous prime is 105054164351. The next prime is 105054164387. The reversal of 105054164381 is 183461450501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15494025625 + 89560138756 = 124475^2 + 299266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105054164381 is a prime.

It is a super-2 number, since 2×105054164381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105054164387) 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, 9220916 + ... + 9232301.

It is an arithmetic number, because the mean of its divisors is an integer number (26268155823).

Almost surely, 2^105054164381 is an apocalyptic number.

It is an amenable number.

105054164381 is a deficient number, since it is larger than the sum of its proper divisors (18458911).

105054164381 is an equidigital number, since it uses as much as digits as its factorization.

105054164381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18458910.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 105054164381 in words is "one hundred five billion, fifty-four million, one hundred sixty-four thousand, three hundred eighty-one".