11616630567 has 4 divisors (see below), whose sum is σ = 15488840760. Its totient is φ = 7744420376.

The previous prime is 11616630559. The next prime is 11616630569. The reversal of 11616630567 is 76503661611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11616630567 - 2³ = 11616630559 is a prime.

It is a super-2 number, since 2×11616630567² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11616630569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936105092 + ... + 1936105097.

It is an arithmetic number, because the mean of its divisors is an integer number (3872210190).

Almost surely, 2^11616630567 is an apocalyptic number.

11616630567 is a deficient number, since it is larger than the sum of its proper divisors (3872210193).

11616630567 is an equidigital number, since it uses as much as digits as its factorization.

11616630567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872210192.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 11616630567 in words is "eleven billion, six hundred sixteen million, six hundred thirty thousand, five hundred sixty-seven".