105420540166 has 32 divisors (see below), whose sum is σ = 165759759360. Its totient is φ = 50220799200.

The previous prime is 105420540109. The next prime is 105420540187. The reversal of 105420540166 is 661045024501.

It is a super-2 number, since 2×105420540166² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8846220 + ... + 8858128.

It is an arithmetic number, because the mean of its divisors is an integer number (5179992480).

Almost surely, 2^105420540166 is an apocalyptic number.

105420540166 is a deficient number, since it is larger than the sum of its proper divisors (60339219194).

105420540166 is a wasteful number, since it uses less digits than its factorization.

105420540166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14140.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 105420540166 its reverse (661045024501), we get a palindrome (766465564667).

The spelling of 105420540166 in words is "one hundred five billion, four hundred twenty million, five hundred forty thousand, one hundred sixty-six".