1316653563 has 8 divisors (see below), whose sum is σ = 1816074000. Its totient is φ = 847501088.

The previous prime is 1316653543. The next prime is 1316653573. The reversal of 1316653563 is 3653566131.

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 1316653563 - 2⁵ = 1316653531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316653543) 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 7 ways as a sum of consecutive naturals, for example, 7566888 + ... + 7567061.

It is an arithmetic number, because the mean of its divisors is an integer number (227009250).

Almost surely, 2^1316653563 is an apocalyptic number.

1316653563 is a deficient number, since it is larger than the sum of its proper divisors (499420437).

1316653563 is a wasteful number, since it uses less digits than its factorization.

1316653563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15133981.

The product of its digits is 145800, while the sum is 39.

The square root of 1316653563 is about 36285.7211999431. The cubic root of 1316653563 is about 1096.0335280537.

The spelling of 1316653563 in words is "one billion, three hundred sixteen million, six hundred fifty-three thousand, five hundred sixty-three".