11620667443 has 16 divisors (see below), whose sum is σ = 14498256384. Its totient is φ = 9048720960.

The previous prime is 11620667431. The next prime is 11620667449. The reversal of 11620667443 is 34476602611.

It is a cyclic number.

It is not a de Polignac number, because 11620667443 - 2²¹ = 11618570291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11620667396 and 11620667405.

It is not an unprimeable number, because it can be changed into a prime (11620667449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59271 + ... + 163567.

It is an arithmetic number, because the mean of its divisors is an integer number (906141024).

Almost surely, 2^11620667443 is an apocalyptic number.

11620667443 is a deficient number, since it is larger than the sum of its proper divisors (2877588941).

11620667443 is a wasteful number, since it uses less digits than its factorization.

11620667443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105762.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 11620667443 in words is "eleven billion, six hundred twenty million, six hundred sixty-seven thousand, four hundred forty-three".