1165066403 has 8 divisors (see below), whose sum is σ = 1217119488. Its totient is φ = 1113129864.

The previous prime is 1165066393. The next prime is 1165066481. The reversal of 1165066403 is 3046605611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1165066403 - 2¹⁰ = 1165065379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1165066403.

It is not an unprimeable number, because it can be changed into a prime (1165066493) 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, 8375 + ... + 48992.

It is an arithmetic number, because the mean of its divisors is an integer number (152139936).

Almost surely, 2^1165066403 is an apocalyptic number.

1165066403 is a deficient number, since it is larger than the sum of its proper divisors (52053085).

1165066403 is an equidigital number, since it uses as much as digits as its factorization.

1165066403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58273.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1165066403 is about 34133.0690533389. The cubic root of 1165066403 is about 1052.2450536197.

The spelling of 1165066403 in words is "one billion, one hundred sixty-five million, sixty-six thousand, four hundred three".