1165161473 has 8 divisors (see below), whose sum is σ = 1333949760. Its totient is φ = 996957360.

The previous prime is 1165161467. The next prime is 1165161479. The reversal of 1165161473 is 3741615611.

It is an interprime number because it is at equal distance from previous prime (1165161467) and next prime (1165161479).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1165161473 - 2⁴ = 1165161457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1165161479) 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, 141758 + ... + 149751.

It is an arithmetic number, because the mean of its divisors is an integer number (166743720).

Almost surely, 2^1165161473 is an apocalyptic number.

It is an amenable number.

1165161473 is a deficient number, since it is larger than the sum of its proper divisors (168788287).

1165161473 is an equidigital number, since it uses as much as digits as its factorization.

1165161473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292087.

The product of its digits is 15120, while the sum is 35.

The square root of 1165161473 is about 34134.4616626658. The cubic root of 1165161473 is about 1052.2736740818.

The spelling of 1165161473 in words is "one billion, one hundred sixty-five million, one hundred sixty-one thousand, four hundred seventy-three".