105401161064 has 8 divisors (see below), whose sum is σ = 197627177010. Its totient is φ = 52700580528.

The previous prime is 105401161039. The next prime is 105401161067. The reversal of 105401161064 is 460161104501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 102554938564 + 2846222500 = 320242^2 + 53350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105401161064² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105401161067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6587572559 + ... + 6587572574.

Almost surely, 2^105401161064 is an apocalyptic number.

It is an amenable number.

105401161064 is a deficient number, since it is larger than the sum of its proper divisors (92226015946).

105401161064 is a wasteful number, since it uses less digits than its factorization.

105401161064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13175145139 (or 13175145135 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 105401161064 its reverse (460161104501), we get a palindrome (565562265565).

The spelling of 105401161064 in words is "one hundred five billion, four hundred one million, one hundred sixty-one thousand, sixty-four".