1165210570 has 32 divisors (see below), whose sum is σ = 2156668416. Its totient is φ = 452995200.

The previous prime is 1165210561. The next prime is 1165210573. The reversal of 1165210570 is 750125611.

It is not an unprimeable number, because it can be changed into a prime (1165210573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105867 + ... + 116353.

It is an arithmetic number, because the mean of its divisors is an integer number (67395888).

Almost surely, 2^1165210570 is an apocalyptic number.

1165210570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1165210570 is a deficient number, since it is larger than the sum of its proper divisors (991457846).

1165210570 is a wasteful number, since it uses less digits than its factorization.

1165210570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10806.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 1165210570 is about 34135.1808256526. The cubic root of 1165210570 is about 1052.2884539374.

It can be divided in two parts, 11652 and 10570, that added together give a palindrome (22222).

The spelling of 1165210570 in words is "one billion, one hundred sixty-five million, two hundred ten thousand, five hundred seventy".