1167864541 has 8 divisors (see below), whose sum is σ = 1197109368. Its totient is φ = 1138656000.

The previous prime is 1167864493. The next prime is 1167864547. The reversal of 1167864541 is 1454687611.

It can be written as a sum of positive squares in 4 ways, for example, as 119464900 + 1048399641 = 10930^2 + 32379^2 .

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 1167864541 - 2⁹ = 1167864029 is a prime.

It is a super-2 number, since 2×1167864541² = 2727815172250281362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167864547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63201 + ... + 79561.

It is an arithmetic number, because the mean of its divisors is an integer number (149638671).

Almost surely, 2^1167864541 is an apocalyptic number.

It is an amenable number.

1167864541 is a deficient number, since it is larger than the sum of its proper divisors (29244827).

1167864541 is a wasteful number, since it uses less digits than its factorization.

1167864541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18143.

The product of its digits is 161280, while the sum is 43.

The square root of 1167864541 is about 34174.0331392126. The cubic root of 1167864541 is about 1053.0867718468.

The spelling of 1167864541 in words is "one billion, one hundred sixty-seven million, eight hundred sixty-four thousand, five hundred forty-one".