1165123662 has 64 divisors (see below), whose sum is σ = 2686867200. Its totient is φ = 334333440.

The previous prime is 1165123651. The next prime is 1165123667. The reversal of 1165123662 is 2663215611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165123667) 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, 45837 + ... + 66567.

It is an arithmetic number, because the mean of its divisors is an integer number (41982300).

Almost surely, 2^1165123662 is an apocalyptic number.

1165123662 is an abundant number, since it is smaller than the sum of its proper divisors (1521743538).

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

1165123662 is a wasteful number, since it uses less digits than its factorization.

1165123662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20801.

The product of its digits is 12960, while the sum is 33.

The square root of 1165123662 is about 34133.9078044106. The cubic root of 1165123662 is about 1052.2622914104.

The spelling of 1165123662 in words is "one billion, one hundred sixty-five million, one hundred twenty-three thousand, six hundred sixty-two".