1165161547273 has 16 divisors (see below), whose sum is σ = 1217836226880. Its totient is φ = 1113754435776.

The previous prime is 1165161547241. The next prime is 1165161547279. The reversal of 1165161547273 is 3727451615611.

It is a cyclic number.

It is not a de Polignac number, because 1165161547273 - 2⁵ = 1165161547241 is a prime.

It is a super-2 number, since 2×1165161547273² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1165161547279) 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, 510090 + ... + 1609507.

It is an arithmetic number, because the mean of its divisors is an integer number (76114764180).

Almost surely, 2^{1165161547273} is an apocalyptic number.

It is an amenable number.

1165161547273 is a deficient number, since it is larger than the sum of its proper divisors (52674679607).

1165161547273 is a wasteful number, since it uses less digits than its factorization.

1165161547273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119896.

The product of its digits is 1058400, while the sum is 49.

The spelling of 1165161547273 in words is "one trillion, one hundred sixty-five billion, one hundred sixty-one million, five hundred forty-seven thousand, two hundred seventy-three".