11616722073 has 24 divisors (see below), whose sum is σ = 18328939200. Its totient is φ = 7031283360.

The previous prime is 11616721997. The next prime is 11616722083. The reversal of 11616722073 is 37022761611.

It is a happy number.

11616722073 is a `hidden beast` number, since 11 + 616 + 7 + 2 + 20 + 7 + 3 = 666.

It is not a de Polignac number, because 11616722073 - 2⁸ = 11616721817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11616722083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 628 + ... + 152426.

It is an arithmetic number, because the mean of its divisors is an integer number (763705800).

Almost surely, 2^11616722073 is an apocalyptic number.

It is an amenable number.

11616722073 is a deficient number, since it is larger than the sum of its proper divisors (6712217127).

11616722073 is a wasteful number, since it uses less digits than its factorization.

11616722073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152589 (or 152586 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 11616722073 in words is "eleven billion, six hundred sixteen million, seven hundred twenty-two thousand, seventy-three".