105263168538 has 16 divisors (see below), whose sum is σ = 229665095136. Its totient is φ = 31897929840.

The previous prime is 105263168531. The next prime is 105263168551. The reversal of 105263168538 is 835861362501.

It is a super-2 number, since 2×105263168538² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105263168531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797448181 + ... + 797448312.

It is an arithmetic number, because the mean of its divisors is an integer number (14354068446).

Almost surely, 2^105263168538 is an apocalyptic number.

105263168538 is an abundant number, since it is smaller than the sum of its proper divisors (124401926598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105263168538 is a wasteful number, since it uses less digits than its factorization.

105263168538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594896509.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 105263168538 in words is "one hundred five billion, two hundred sixty-three million, one hundred sixty-eight thousand, five hundred thirty-eight".