1165126464 has 56 divisors (see below), whose sum is σ = 3425261120. Its totient is φ = 388374912.

The previous prime is 1165126463. The next prime is 1165126477. The reversal of 1165126464 is 4646215611.

1165126464 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 1 + 2 + 646 + 4 = 666.

It is a super-2 number, since 2×1165126464² = 2715039354226286592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165126463) 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 7 ways as a sum of consecutive naturals, for example, 335404 + ... + 338859.

Almost surely, 2^1165126464 is an apocalyptic number.

It is an amenable number.

1165126464 is an abundant number, since it is smaller than the sum of its proper divisors (2260134656).

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

1165126464 is an equidigital number, since it uses as much as digits as its factorization.

1165126464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674284 (or 674268 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 1165126464 is about 34133.9488486170. The cubic root of 1165126464 is about 1052.2631349365.

The spelling of 1165126464 in words is "one billion, one hundred sixty-five million, one hundred twenty-six thousand, four hundred sixty-four".