12016667618761 has 8 divisors (see below), whose sum is σ = 12941109042624. Its totient is φ = 11092237962960.

The previous prime is 12016667618749. The next prime is 12016667618779. The reversal of 12016667618761 is 16781676661021.

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 12016667618761 - 2²⁹ = 12016130747849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12016667618696 and 12016667618705.

It is not an unprimeable number, because it can be changed into a prime (12016667618161) 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, 761341 + ... + 4961146.

It is an arithmetic number, because the mean of its divisors is an integer number (1617638630328).

Almost surely, 2^{12016667618761} is an apocalyptic number.

It is an amenable number.

12016667618761 is a deficient number, since it is larger than the sum of its proper divisors (924441423863).

12016667618761 is a wasteful number, since it uses less digits than its factorization.

12016667618761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884031.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 12016667618761 in words is "twelve trillion, sixteen billion, six hundred sixty-seven million, six hundred eighteen thousand, seven hundred sixty-one".