1167953945 has 8 divisors (see below), whose sum is σ = 1404301320. Its totient is φ = 932525440.

The previous prime is 1167953881. The next prime is 1167953947. The reversal of 1167953945 is 5493597611.

It can be written as a sum of positive squares in 4 ways, for example, as 296287369 + 871666576 = 17213^2 + 29524^2 .

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

It is not a de Polignac number, because 1167953945 - 2⁶ = 1167953881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1167953893 and 1167953902.

It is not an unprimeable number, because it can be changed into a prime (1167953947) 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, 226916 + ... + 232005.

It is an arithmetic number, because the mean of its divisors is an integer number (175537665).

Almost surely, 2^1167953945 is an apocalyptic number.

It is an amenable number.

1167953945 is a deficient number, since it is larger than the sum of its proper divisors (236347375).

1167953945 is an equidigital number, since it uses as much as digits as its factorization.

1167953945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459435.

The product of its digits is 1020600, while the sum is 50.

The square root of 1167953945 is about 34175.3411833737. The cubic root of 1167953945 is about 1053.1136436183.

The spelling of 1167953945 in words is "one billion, one hundred sixty-seven million, nine hundred fifty-three thousand, nine hundred forty-five".