1146165551 has 8 divisors (see below), whose sum is σ = 1215143280. Its totient is φ = 1077360768.

The previous prime is 1146165541. The next prime is 1146165569. The reversal of 1146165551 is 1555616411.

It is a happy number.

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 1146165551 - 2¹⁴ = 1146149167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146165541) 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, 29456 + ... + 56213.

It is an arithmetic number, because the mean of its divisors is an integer number (151892910).

Almost surely, 2^1146165551 is an apocalyptic number.

1146165551 is a deficient number, since it is larger than the sum of its proper divisors (68977729).

1146165551 is an equidigital number, since it uses as much as digits as its factorization.

1146165551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86473.

The product of its digits is 18000, while the sum is 35.

The square root of 1146165551 is about 33855.0668438271. The cubic root of 1146165551 is about 1046.5238182650.

The spelling of 1146165551 in words is "one billion, one hundred forty-six million, one hundred sixty-five thousand, five hundred fifty-one".