1167672613 has 4 divisors (see below), whose sum is σ = 1180792620. Its totient is φ = 1154552608.

The previous prime is 1167672593. The next prime is 1167672631. The reversal of 1167672613 is 3162767611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3162767611 = 21991 ⋅143821.

It can be written as a sum of positive squares in 2 ways, for example, as 579027969 + 588644644 = 24063^2 + 24262^2 .

It is a cyclic number.

It is not a de Polignac number, because 1167672613 - 2¹⁷ = 1167541541 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 (1167672643) 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 3 ways as a sum of consecutive naturals, for example, 6559870 + ... + 6560047.

It is an arithmetic number, because the mean of its divisors is an integer number (295198155).

Almost surely, 2^1167672613 is an apocalyptic number.

It is an amenable number.

1167672613 is a deficient number, since it is larger than the sum of its proper divisors (13120007).

1167672613 is an equidigital number, since it uses as much as digits as its factorization.

1167672613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13120006.

The product of its digits is 63504, while the sum is 40.

The square root of 1167672613 is about 34171.2249268299. The cubic root of 1167672613 is about 1053.0290802499.

The spelling of 1167672613 in words is "one billion, one hundred sixty-seven million, six hundred seventy-two thousand, six hundred thirteen".