1211449160667 has 8 divisors (see below), whose sum is σ = 1615820824080. Its totient is φ = 807355135520.

The previous prime is 1211449160653. The next prime is 1211449160749. The reversal of 1211449160667 is 7660619441121.

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 1211449160667 - 2³⁴ = 1194269291483 is a prime.

It is a super-3 number, since 3×1211449160667³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211449160617) 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, 69399384 + ... + 69416837.

It is an arithmetic number, because the mean of its divisors is an integer number (201977603010).

Almost surely, 2^{1211449160667} is an apocalyptic number.

1211449160667 is a deficient number, since it is larger than the sum of its proper divisors (404371663413).

1211449160667 is a wasteful number, since it uses less digits than its factorization.

1211449160667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138819133.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 1211449160667 in words is "one trillion, two hundred eleven billion, four hundred forty-nine million, one hundred sixty thousand, six hundred sixty-seven".