1163208613 has 8 divisors (see below), whose sum is σ = 1330027328. Its totient is φ = 996551424.

The previous prime is 1163208583. The next prime is 1163208643. The reversal of 1163208613 is 3168023611.

It is an interprime number because it is at equal distance from previous prime (1163208583) and next prime (1163208643).

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 1163208613 - 2¹³ = 1163200421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163208643) 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, 24531 + ... + 54112.

It is an arithmetic number, because the mean of its divisors is an integer number (166253416).

Almost surely, 2^1163208613 is an apocalyptic number.

It is an amenable number.

1163208613 is a deficient number, since it is larger than the sum of its proper divisors (166818715).

1163208613 is an equidigital number, since it uses as much as digits as its factorization.

1163208613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80763.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1163208613 is about 34105.8442645832. The cubic root of 1163208613 is about 1051.6854602470.

The spelling of 1163208613 in words is "one billion, one hundred sixty-three million, two hundred eight thousand, six hundred thirteen".