1153660673 has 8 divisors (see below), whose sum is σ = 1271514720. Its totient is φ = 1037969280.

The previous prime is 1153660633. The next prime is 1153660709. The reversal of 1153660673 is 3760663511.

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 1153660673 - 2¹⁸ = 1153398529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1153660633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539543 + ... + 541676.

It is an arithmetic number, because the mean of its divisors is an integer number (158939340).

Almost surely, 2^1153660673 is an apocalyptic number.

It is an amenable number.

1153660673 is a deficient number, since it is larger than the sum of its proper divisors (117854047).

1153660673 is a wasteful number, since it uses less digits than its factorization.

1153660673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081327.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 1153660673 is about 33965.5807104781. The cubic root of 1153660673 is about 1048.8000420395.

The spelling of 1153660673 in words is "one billion, one hundred fifty-three million, six hundred sixty thousand, six hundred seventy-three".