2105170764 has 12 divisors (see below), whose sum is σ = 4912065144. Its totient is φ = 701723584.

The previous prime is 2105170763. The next prime is 2105170783. The reversal of 2105170764 is 4670715012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2105170764³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2105170763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87715437 + ... + 87715460.

It is an arithmetic number, because the mean of its divisors is an integer number (409338762).

Almost surely, 2^2105170764 is an apocalyptic number.

It is an amenable number.

2105170764 is an abundant number, since it is smaller than the sum of its proper divisors (2806894380).

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

2105170764 is a wasteful number, since it uses less digits than its factorization.

2105170764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175430904 (or 175430902 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 2105170764 is about 45882.1399239399. The cubic root of 2105170764 is about 1281.6293467924.

Adding to 2105170764 its reverse (4670715012), we get a palindrome (6775885776).

The spelling of 2105170764 in words is "two billion, one hundred five million, one hundred seventy thousand, seven hundred sixty-four".