105164045220402 has 72 divisors (see below), whose sum is σ = 265059497725776. Its totient is φ = 30046509615024.

The previous prime is 105164045220313. The next prime is 105164045220517. The reversal of 105164045220402 is 204022540461501.

105164045220402 is a `hidden beast` number, since 1 + 0 + 5 + 1 + 640 + 4 + 5 + 2 + 2 + 0 + 4 + 0 + 2 = 666.

It is a super-2 number, since 2×105164045220402² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 77724073 + ... + 79065539.

It is an arithmetic number, because the mean of its divisors is an integer number (3681381912858).

Almost surely, 2^{105164045220402} is an apocalyptic number.

105164045220402 is an abundant number, since it is smaller than the sum of its proper divisors (159895452505374).

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

105164045220402 is a wasteful number, since it uses less digits than its factorization.

105164045220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430372 (or 1430362 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 105164045220402 its reverse (204022540461501), we get a palindrome (309186585681903).

The spelling of 105164045220402 in words is "one hundred five trillion, one hundred sixty-four billion, forty-five million, two hundred twenty thousand, four hundred two".