1165478463 has 10 divisors (see below), whose sum is σ = 1741023504. Its totient is φ = 776985588.

The previous prime is 1165478459. The next prime is 1165478513. The reversal of 1165478463 is 3648745611.

1165478463 is a `hidden beast` number, since 116 + 5 + 4 + 78 + 463 = 666.

It is not a de Polignac number, because 1165478463 - 2² = 1165478459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165478453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7194231 + ... + 7194392.

Almost surely, 2^1165478463 is an apocalyptic number.

1165478463 is a deficient number, since it is larger than the sum of its proper divisors (575545041).

1165478463 is an equidigital number, since it uses as much as digits as its factorization.

1165478463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14388635 (or 14388626 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 1165478463 is about 34139.1046016148. The cubic root of 1165478463 is about 1052.3690914682.

The spelling of 1165478463 in words is "one billion, one hundred sixty-five million, four hundred seventy-eight thousand, four hundred sixty-three".