1165562530 has 64 divisors (see below), whose sum is σ = 2383406208. Its totient is φ = 406632960.

The previous prime is 1165562527. The next prime is 1165562533. The reversal of 1165562530 is 352655611.

It is an interprime number because it is at equal distance from previous prime (1165562527) and next prime (1165562533).

It is a super-2 number, since 2×1165562530² = 2717072022680001800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1165562533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295149 + ... + 299071.

It is an arithmetic number, because the mean of its divisors is an integer number (37240722).

Almost surely, 2^1165562530 is an apocalyptic number.

1165562530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1165562530 is an abundant number, since it is smaller than the sum of its proper divisors (1217843678).

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

1165562530 is a wasteful number, since it uses less digits than its factorization.

1165562530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 1165562530 is about 34140.3358214298. The cubic root of 1165562530 is about 1052.3943936332.

The spelling of 1165562530 in words is "one billion, one hundred sixty-five million, five hundred sixty-two thousand, five hundred thirty".