2102164570 has 16 divisors (see below), whose sum is σ = 4127887008. Its totient is φ = 764423440.

The previous prime is 2102164553. The next prime is 2102164577. The reversal of 2102164570 is 754612012.

It is not an unprimeable number, because it can be changed into a prime (2102164577) 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, 9555184 + ... + 9555403.

It is an arithmetic number, because the mean of its divisors is an integer number (257992938).

Almost surely, 2^2102164570 is an apocalyptic number.

2102164570 is a deficient number, since it is larger than the sum of its proper divisors (2025722438).

2102164570 is a wasteful number, since it uses less digits than its factorization.

2102164570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19110605.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2102164570 is about 45849.3682617329. The cubic root of 2102164570 is about 1281.0189985447.

Adding to 2102164570 its reverse (754612012), we get a palindrome (2856776582).

The spelling of 2102164570 in words is "two billion, one hundred two million, one hundred sixty-four thousand, five hundred seventy".